JH

Joseph T. Hamrick

WI World Energy Systems Incorporated: 2 patents #12 of 34Top 40%
📍 Roanoke, VA: #87 of 603 inventorsTop 15%
🗺 Virginia: #4,439 of 34,511 inventorsTop 15%
Overall (All Time): #763,777 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5706742 Method of feeding solid particles from a zone of low pressure to a zone of high pressure 1998-01-13
5341637 System for burning biomass to fuel a gas turbine 1994-08-30
4409786 Wood burning system and method Leslie C. Rose 1983-10-18
4407360 Borehole water pumping system with sandtrap 1983-10-04
4372389 Downhole water pump and method of use Leslie C. Rose 1983-02-08
4304103 Heat pump operated by wind or other power means Leslie C. Rose 1981-12-08
4199024 Multistage gas generator Leslie C. Rose 1980-04-22