Wiehn
Helmut Wiehn, Heuchelheim-Klingen DE
Patent application number | Description | Published |
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20120251817 | FIRE-RESISTANT "ORIENTED STRAND BOARD" MATERIAL - Fire-resistant OSB (oriented strand board) material consisting of a middle layer and two outer layers, wherein the layers primarily consist of bonded wood flakes. There are one or more fire-retardant agents in the middle layer and one or both outer layers, and the nature and/or the concentrations of them in the middle layer are different from the nature and/or the concentrations of them in one or both outer layers. | 10-04-2012 |
Joshua Wiehn, Lancaster, CA US
Patent application number | Description | Published |
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20130181525 | SYSTEM AND METHOD FOR A HIGH SPEED, HIGH VOLTAGE PULSE POWER GENERATOR - A pulse generator system and method, including an inductive storage device configured to perform a charging process using a high current received from a first power supply; and a switch that is powered by a second power supply and configured to receive a step signal through a gate driver for controlling a repetition rate of the inductive storage device charging process and a pulse repetition frequency (PRF) of an output pulse. | 07-18-2013 |
Matthias Wiehn, Osnabruck DE
Patent application number | Description | Published |
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20140075860 | TOWER SECTION AND METHOD FOR INSTALLING TOWER FOR WIND TURBINE - Tower sections for towers of wind turbines and methods for installing towers of wind turbines are disclosed. A tower includes a preassembled power module having a first cross-sectional area. The tower section includes a wall having an inner surface and an outer surface. The inner surface defines a tower interior and has a first diameter. The tower section further includes a tower flange extending from the wall into the tower interior and having a second diameter less than the first diameter. Further, the tower section includes a platform assembly affixed to the wall and having a third diameter greater than the second diameter. The platform assembly defines an aperture having a second cross-sectional area greater than the first cross-sectional area. | 03-20-2014 |