Top Inventors for class "Expansible chamber devices" |
Rank | Inventor's name | Country | City/State | Last publication | # of patent apps in this class |
1 | Michael T. Lapp | US | Bloomfield, MI | May 12, 2016 / 20160131075 - WELDED PISTON ASSEMBLY | 8 |
2 | Martin Bergmann | DE | Schaafheim | Oct 08, 2015 / 20150285077 - Axial Piston Machine Utilizing A Bent-Axis Construction With A Drive Joint For Driving The Cylinder Barrel | 7 |
3 | Rainer Scharp | DE | Vaihingen | May 05, 2016 / 20160123273 - PISTON FOR AN INTERNAL COMBUSTION ENGINE | 7 |
4 | Omar M. Kabir | US | Waller, TX | Jun 22, 2017 / 20170175892 - PISTON ROD CLAMPING SYSTEM | 6 |
5 | Pawel A. Sobolewski | US | Arlington Heights, IL | Aug 28, 2014 / 20140238231 - Rotary Piston Type Actuator with Hydraulic Supply | 6 |
6 | Joseph H. Kim | US | Valencia, CA | Sep 18, 2014 / 20140271296 - No Corner Seal Rotary Vane Actuator | 6 |
7 | Federal-Mogul Corporation | US | | Nov 28, 2013 / 20130315772 - POWDER METAL COMPOSITIONS FOR WEAR AND TEMPERATURE RESISTANCE APPLICATIONS AND METHOD OF PRODUCING SAME | 6 |
8 | Troy Kantola | US | Whitmore Lake, MI | Aug 29, 2013 / 20130220115 - Piston Assembly Including A Polymer Coating With Hard Particles Applied to Sliding Surfaces | 5 |
9 | Volker Gniesmer | DE | Alfeld | Dec 09, 2021 / 20210381560 - METHOD FOR MONITORING THE FUNCTIONS OF A FRICTION CLUTCH | 5 |
10 | Matthew Ryan Pedigo | US | Howell, MI | Aug 22, 2013 / 20130213222 - PISTON RING FOR AN INTERNAL COMBUSTION ENGINE | 5 |
11 | Blair Matthew Jenness | US | Grosse Pointe Park, MI | Aug 22, 2013 / 20130213222 - PISTON RING FOR AN INTERNAL COMBUSTION ENGINE | 5 |
12 | Matt Svrcek | US | Redwood City, CA | Aug 18, 2022 / 20220260034 - OPEN-FACED PISTON ASSEMBLY | 5 |
13 | Koji Ito | JP | Gifu | Oct 28, 2021 / 20210332612 - SAFETY SWITCH AND STORAGE CONTROL METHOD | 4 |
14 | Martin Zug | DE | Hirrlingen | Jan 03, 2019 / 20190003466 - Hydrostatic Positive-Displacement Machine Piston for the Hydrostatic Positive-Displacement Machine, and Cylinder Drum for the Hydrostatic Positive-Displacement Machine | 4 |
15 | Toshio Sato | JP | Tsukuba-Shi | Nov 18, 2021 / 20210355993 - ACTUATOR | 4 |
16 | Henrique Bruggmann Muhle | BR | Joinville | Dec 17, 2015 / 20150362112 - FLOW RESTRICTOR AND GAS COMPRESSOR | 4 |
17 | Shahbaz H. Hydari | US | Los Angeles, CA | Sep 18, 2014 / 20140271296 - No Corner Seal Rotary Vane Actuator | 4 |
18 | Dietmar Erich Bernhard Lilie | BR | Joinville | Jun 01, 2017 / 20170152847 - ACTUATION SYSTEM FOR A RESONANT LINEAR COMPRESSOR, METHOD FOR ACTUATING A RESONANT LINEAR COMPRESSOR, AND RESONANT LINEAR COMPRESSOR | 4 |
19 | Andreas Weh | DE | Sulzberg | Sep 01, 2022 / 20220274578 - HYDRAULIC BLOCK FOR A HYDRAULIC UNIT OF A HYDRAULIC VEHICLE BRAKING SYSTEM | 4 |
20 | Christian Hold | AT | Bisamberg | Nov 26, 2015 / 20150337960 - SEALING CONFIGURATION FOR SEALING A RECIPROCATING PISTON ROD OF A PISTON COMPRESSOR | 4 |
21 | John Lawler | US | San Francisco, CA | Jul 04, 2013 / 20130167798 - Methods and Systems for Managing a Clearance Gap in a Piston Engine | 4 |
22 | Mitsuhiro Hanaoka | JP | Nagano | Apr 18, 2013 / 20130092022 - CYLINDER APPARATUS | 4 |
23 | Kent Pearl | US | Katy, TX | Jun 22, 2017 / 20170175891 - LIGHT COMPOSITE PISTON | 4 |
24 | Jan Hinrichs | DE | Friedrichsdorf | Aug 13, 2015 / 20150226213 - VANE-TYPE PUMP AND HEAT RECOVERY DEVICE | 4 |
25 | Wolfgang Schuller | DE | Cleebronn | Oct 28, 2021 / 20210331654 - Bistable Solenoid Valve for a Hydraulic Brake System, and Method for Actuating a Valve of this Type | 4 |
26 | Martin Engels | DE | Alpen | Aug 09, 2012 / 20120198991 - FLUID OPERATED ACTUATOR | 4 |
27 | Joseph C. Kopchick | US | Warren, MI | Oct 30, 2014 / 20140318512 - EXHAUST GAS RECIRCULATION COOLER, SYSTEM, AND METHOD THEREOF | 4 |
28 | Uwe Bernhard Pascal Stein | GB | Edinburgh | Jul 30, 2015 / 20150211513 - FLUID-WORKING MACHINE VALVE TIMING | 4 |
29 | Frank Holm Iversen | DK | Padborg | Dec 29, 2016 / 20160377066 - WATER-HYDRAULIC MACHINE | 3 |
30 | Herbert Dreher | DE | Horb | Dec 23, 2010 / 20100322789 - AXIAL PISTON ENGINE HAVING A HOUSING WITH A RADIALLY WIDENED INTERIOR PORTION | 3 |
31 | Frank Born | DE | Dienethal | Dec 26, 2013 / 20130340607 - CONTINUOUSLY BLOCKABLE LOCKING DEVICE | 3 |
32 | Steve Walker | US | Talbott, TN | Mar 21, 2013 / 20130068096 - LASER WELDED PISTON ASSEMBLY | 3 |
33 | Ralf Buschbeck | DE | Möckmühl | Jul 09, 2009 / 20090173309 - Piston For an Internal Combustion Engine Having Two Ring Grooves Wherein One Ring Groove Has A Ring Carrier | 3 |
34 | Dieter Gabriel | US | Highland, MI | Jun 22, 2017 / 20170175671 - PISTON FOR AN INTERNAL COMBUSTION ENGINE | 3 |
35 | Klaus Keller | DE | Lorch | Aug 28, 2014 / 20140242277 - METHOD FOR THE PRODUCTION OF A CONNECTING ROD FOR AN INTERNAL COMBUSTION ENGINE | 3 |
36 | Daniel Grech | FR | Lamorlaye | May 19, 2016 / 20160137180 - PRIMARY PISTON OF A TANDEM MASTER CYLINDER | 3 |
37 | Stig Kildegaard Andersen | DK | Krusaa | Dec 29, 2016 / 20160377080 - VANE CELL MACHINE | 3 |
38 | Herwig Bauer | DE | Bad Vilbel | Dec 29, 2011 / 20110315007 - PISTON FOR A BRAKE CALIPER OF A DISC BRAKE | 3 |
39 | Miguel Azevedo | US | Ann Arbor, MI | Dec 27, 2018 / 20180369970 - REDUCED COMPRESSION HEIGHT PISTON AND PISTON ASSEMBLY THEREWITH AND METHODS OF CONSTRUCTION THEREOF | 3 |
40 | Glen W. Davidson | US | Roseville, MN | Jul 07, 2022 / 20220213891 - DISPLACEMENT PUMP MOUNTING AND RETENTION | 3 |
41 | Michael Andersen | DE | Krefeld | Sep 08, 2011 / 20110214765 - MODULAR VALVE ASSEMBLY | 3 |
42 | William M. Blenkush | US | Becker, MN | Aug 25, 2022 / 20220266280 - PORTABLE AIRLESS SPRAYER | 3 |
43 | Christian Spielvogel | DE | Horb | Aug 13, 2015 / 20150226349 - Valve Arrangement | 3 |
44 | Chad R. Taszarek | US | Albertville, MN | Jul 07, 2022 / 20220213891 - DISPLACEMENT PUMP MOUNTING AND RETENTION | 3 |
45 | Koichiro Ishibashi | JP | Tsukubamirai-Shi | May 15, 2014 / 20140133787 - LINEAR ACTUATOR | 3 |
46 | David J. Thompson | US | Oak Grove, MN | Aug 25, 2022 / 20220266280 - PORTABLE AIRLESS SPRAYER | 3 |
47 | Andrew J. Kopel | US | Stanchfield, MN | Jul 14, 2022 / 20220220950 - PUMP DRIVE SYSTEM | 3 |
48 | Koji Hara | JP | Tsukubamirai-Shi | Aug 06, 2015 / 20150217382 - OPENING AND CLOSING CHUCK | 3 |
49 | Peter Hofbauer | US | West Bloomfield, MI | Jul 14, 2022 / 20220220922 - A Tubular Reactor Serving as a Combustor and Heat Exchanger | 3 |
50 | Hiroshi Funato | JP | Gifu | Feb 19, 2015 / 20150047499 - FLUID PRESSURE CYLINDER | 3 |
51 | Tino Lindner-Silwester | AT | Wien | Nov 26, 2015 / 20150337960 - SEALING CONFIGURATION FOR SEALING A RECIPROCATING PISTON ROD OF A PISTON COMPRESSOR | 3 |
52 | Martin Lagler | AT | Wien | May 29, 2014 / 20140145403 - Seal Arrangement for Sealing a Reciprocating Piston Rod of a Piston Compressor | 3 |
53 | Gerhard Luz | DE | Nordheim | Aug 13, 2015 / 20150224589 - METHOD FOR PRODUCING AN ARBITRARY GEOMETRY ON PISTONS OF INTERNAL COMBUSTION ENGINES | 3 |
54 | Uwe Zeibig | DE | Achern | Dec 29, 2011 / 20110315007 - PISTON FOR A BRAKE CALIPER OF A DISC BRAKE | 3 |
55 | Tsai-Chao Wu | TW | Taichung City | May 08, 2014 / 20140123845 - RODLESS POWER CYLINDER | 3 |
56 | Steve J. Wrobel | US | Rogers, MN | Aug 04, 2022 / 20220243717 - INTEGRATED PUMP GUARD AND CONTROL INTERLOCK | 3 |
57 | Norbert Alaze | DE | Markgroeningen | Jun 22, 2017 / 20170175735 - Internal Gear Pump | 3 |
58 | Diana Brehob | US | Dearborn, MI | Dec 30, 2021 / 20210403161 - Aeronautical Apparatus | 3 |
59 | Frank Doffing | DE | Kastellaun | Jun 26, 2014 / 20140173988 - System For Opening And Closing A Flap | 3 |
60 | Rolf Mintgen | DE | Thuer | Jun 26, 2014 / 20140173988 - System For Opening And Closing A Flap | 3 |
61 | Clemens Krebs | DE | Tuebingen | Nov 14, 2013 / 20130298754 - AXIAL PISTON MACHINE | 3 |
62 | Albert D. Fisher | US | Kansas City, MO | May 28, 2015 / 20150144440 - PNEUMATIC BRAKE ACTUATOR WITH FLOW INSENSITIVE TWO WAY CONTROL VALVE | 3 |
63 | Thomas Ehre | DE | Koblenz | Jan 13, 2011 / 20110005387 - Piston-Cylinder Unit | 3 |
64 | Daniel Gosse | DE | Berlin | Aug 06, 2015 / 20150217745 - Guide Ring for a Pump Element of a Vehicle Brake System | 3 |
65 | Thomas Klar | DE | Bendorf | Dec 26, 2013 / 20130340607 - CONTINUOUSLY BLOCKABLE LOCKING DEVICE | 3 |
66 | Chris W. Sydow | US | Becker, MN | Jul 07, 2022 / 20220213891 - DISPLACEMENT PUMP MOUNTING AND RETENTION | 3 |
67 | Rene Schepp | DE | Waiblingen | Jun 09, 2016 / 20160160892 - piston and piston-equipped assembly for a hydraulic unit or a piston-cylinder device of a vehicle braking system | 3 |
68 | Laurent Lhuillier | FR | Le Blanc Mesnil | May 19, 2016 / 20160137180 - PRIMARY PISTON OF A TANDEM MASTER CYLINDER | 3 |
69 | Dietmar Erich Bernhard Lilie | BR | Joinville-Sc | Nov 26, 2015 / 20150337822 - ARRANGEMENT AND PROCESS FOR MOUNTING A RESONANT SPRING IN A LINEAR MOTOR COMPRESSOR AND A LINEAR MOTOR COMPRESSOR | 2 |
70 | Carmo Ribeiro | US | Ann Arbor, MI | Oct 09, 2014 / 20140299091 - PISTON MADE USING ADDITIVE MANUFACTURING TECHNIQUES | 2 |
71 | Volker Weisse | DE | Stuttgart | Sep 18, 2014 / 20140272188 - ANTI-FRICTION COATING TO PISTON ASSEMBLY | 2 |
72 | Tetsuo Yoshida | JP | Kawasaki-Shi | Feb 12, 2015 / 20150041266 - SHOCK ABSORBER | 2 |
73 | Jeffrey M. Geither | US | North Ridgeville, OH | Oct 13, 2016 / 20160298763 - PISTON ASSEMBLY FOR AN UNLOADER VALVE OF AN AIR COMPRESSOR | 2 |
74 | Josip Zvonkovic | DE | Weinstadt | Jan 29, 2009 / 20090025550 - Piston for an Internal Combustion Engine and Method for its Production | 2 |
75 | Alfred Engler | DE | Sigmarszell | Apr 30, 2015 / 20150114220 - PISTON-CYLINDER UNIT WITH EVALUATION UNIT FOR DETERMINING THE PISTON POSITION | 2 |
76 | Marten Nommensen | DE | Flensburg | Aug 04, 2011 / 20110189010 - METHOD OF MOUNTING A COMPRESSOR BLOCK ON A STATOR AND A COMPRESSOR ARRANGEMENT | 2 |
77 | Dirk Koch | DE | Lollar-Odenhausen | Aug 27, 2015 / 20150240893 - COMBINED VEHICLE BRAKE | 2 |
78 | Zhenhua Guo | CN | Shenzhen | Mar 26, 2015 / 20150088294 - ENVIRONMENTAL MONITORING SYSTEM AND METHOD FOR LIQUID CRYSTAL MANUFACTURING APPARATUS | 2 |
79 | Tony M. Small | US | Fort Worth, TX | Jul 17, 2014 / 20140196570 - Lightened Rotating Member and Method of Producing Same | 2 |
80 | Sung Gi Kim | KR | Seoul | Sep 19, 2013 / 20130239741 - Rocker Arm Shaft with Improved Abrasion Resistance and Rocker Arm Shaft/Bush Assembly Comprising Same | 2 |
81 | Simon J. Baseley | US | Ann Arbor, MI | Sep 26, 2013 / 20130247751 - STRAIN ENERGY ACCUMULATOR | 2 |
82 | Chiara Schivalocchi | IT | Roe' Volciano | May 08, 2014 / 20140123848 - PISTON FOR A DIE-CASTING MACHINE | 2 |
83 | Montgomery L. Wilder | US | Morristown, TN | Nov 27, 2014 / 20140345454 - PISTON ASSEMBLY WITH MULTI-PIECE SKIRT | 2 |
84 | Robert H. Ash, Jr. | US | Magnolia, TX | Dec 31, 2015 / 20150377356 - PACKING ASSEMBLY FOR A PUMP | 2 |
85 | Marcus Kennedy | DE | Dusseldorf | Dec 17, 2015 / 20150362071 - SLIDING ELEMENT, IN PARTICULAR A PISTON RING, HAVING A COATING | 2 |
86 | Reinhard Denk | DE | Muehldorf | Feb 19, 2015 / 20150050174 - Rotary Piston Pump With Optimised Inlets And Outlets | 2 |
87 | Randy Coleman | US | Oklahoma City, OK | Nov 13, 2014 / 20140331981 - AIR INTAKE PORTING FOR A TWO STROKE ENGINE | 2 |
88 | Jack Lavender | GB | Loanhead | Oct 29, 2015 / 20150308419 - VEHICLE | 2 |
89 | Fabio Henrique Klein | BR | Joinville | Jan 02, 2014 / 20140000452 - PISTON FOR A RECIPROCATING HERMETIC COMPRESSOR | 2 |
90 | Sohrab John Talebian | US | Beverly Hills, CA | Mar 31, 2022 / 20220097851 - AIRCRAFT STORE EJECTOR SYSTEM | 2 |
91 | Arnold Benz | DE | Aichwald | Jan 29, 2009 / 20090025550 - Piston for an Internal Combustion Engine and Method for its Production | 2 |
92 | Ulrich Bischofberger | DE | Esslingen | Oct 28, 2021 / 20210332773 - PISTON FOR AN INTERNAL COMBUSTION ENGINE HAVING LIQUID METAL COOLING | 2 |
93 | George Jan Bon | NL | Rosmalen | Feb 06, 2014 / 20140033912 - CRANKCASE OF A PISTON COMPRESSOR AND PISTON COMPRESSOR PROVIDED WITH SUCH CRANKCASE | 2 |
94 | Olivier Bernadat | FR | Le Perreux | Jun 19, 2014 / 20140165553 - PRIMARY PISTON FOR A TANDEM MASTER CYLINDER AND TANDEM MASTER CYLINDER EQUIPPED WITH SUCH A PRIMARY PISTON | 2 |
95 | Steven Eric Wallace | US | Sheffield Lake, OH | Apr 09, 2015 / 20150098754 - Clevis Assembly | 2 |
96 | Emmerich Ottliczky | DE | Forchtenberg | Mar 03, 2016 / 20160061326 - JOINED CONNECTION ON A TWO-PIECE STEEL PISTON AND JOINING METHOD | 2 |
97 | Koji Yamada | JP | Tokyo | Dec 30, 2021 / 20210403699 - PHOTOCURABLE RESIN COMPOSITION, SEALING MATERIAL FOR FUEL CELL, CURED PRODUCT THEREOF, FUEL CELL, AND SEALING METHOD | 2 |
98 | Kunhsien Lin | CN | Shenzhen | Jul 17, 2014 / 20140196419 - FAN FILTER UNIT AND AIR PURIFICATION SYSTEM FOR DUST-FREE ROOM | 2 |
99 | Josef Beck | DE | Villingen-Schwenningen | Aug 15, 2013 / 20130205989 - Axial Piston Machine having a Retraction Plate, and Method for the Production Thereof | 2 |
100 | Sumitomo Heavy Industries, Ltd. | US | | Oct 10, 2013 / 20130266488 - CASSETTE FOR RADIOACTIVE ISOTOPE HANDLING APPARATUS, RADIOACTIVE ISOTOPE HANDLING APPARATUS, AND RADIOACTIVE ISOTOPE HANDLING SYSTEM | 2 |