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Dravis
Bryan C. Dravis, Fishers, IN US
| Patent application number | Description | Published |
|---|---|---|
| 20110152581 | Purification Of Biologically-Produced 1,3-Propanediol - A process for purifying 1,3-propanediol from the fermentation broth of a cultured | 06-23-2011 |
| 20110152583 | Purification Of Biologically-Produced 1,3-Propanediol - A process for purifying 1,3-propanediol from the fermentation broth of a cultured | 06-23-2011 |
Daniel J. Dravis, Eau Claire, WI US
| Patent application number | Description | Published |
|---|---|---|
| 20100191038 | Devices and tools for treatment of urinary incontinence - Implantable medical devices provide support to a patient's urethra, surgical tools are utilized with the devices, and surgical methods are utilized to implant the devices in patients for treatment of urinary incontinence. | 07-29-2010 |
Martin Dravis, Howard Beach, NY US
| Patent application number | Description | Published |
|---|---|---|
| 20100300775 | Air turbine engine for moving vehicle - The invention discloses a non-fuel combusting air turbine assembly suitable as an auxiliary or primary power propulsion system for a vehicle. The systems include an air turbine engine powered by a compressor mechanism to increase the potential energy that is harnessed by the turbines, having a noise reducing air intake section for delivering air to the compressor. Additionally, the systems include a turbine mechanism composed of plural sets of stationary vanes and rotating vanes, preferably arranged alternatively, and a battery rechargeable by a generator operable by the rotating turbine vanes. | 12-02-2010 |
Martin W. Dravis, Howard Beach, NY US
| Patent application number | Description | Published |
|---|---|---|
| 20100295310 | Non-fuel combusting stand alone air turbine engine - The invention discloses a non-fuel combusting air turbine assembly suitable as a stand alone system for generating electricity. The systems include an air turbine engine powered by a compressor mechanism to increase the potential energy that can be harnessed by the turbines, having a noise reducing air intake section for delivering air to the compressor. Additionally, the systems include a turbine mechanism composed of plural sets of stationary vanes and rotating vanes, preferably arranged alternatively, and a battery rechargeable by a generator operable by the rotating turbine vanes. To initiate starting the turbine assembly, a secondary power source is included. | 11-25-2010 |