WZ

William H. Zebuhr

OP Ovation Products: 11 patents #1 of 1Top 100%
AT Aquaback Technologies: 5 patents #1 of 1Top 100%
DY Dynaproducts: 4 patents #1 of 2Top 50%
SC Sun House Co.: 4 patents #1 of 2Top 50%
AH American Thermal Holdings: 2 patents #3 of 3Top 100%
📍 Nashua, NH: #28 of 1,592 inventorsTop 2%
🗺 New Hampshire: #264 of 12,181 inventorsTop 3%
Overall (All Time): #98,749 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
5749380 Automated dental cleaner 1998-05-12
5647385 Automated dental cleaner 1997-07-15
5169291 Water heater with shut-off valve 1992-12-08
RE33222 Pressure transfer fluid heater 1990-05-29
4867654 Fluid-driven pump 1989-09-19
4658760 Pressure transfer fluid heater 1987-04-21
4312401 Heat transfer system 1982-01-26
4263894 Air storing and transmitting system 1981-04-28
4263896 Solar panel 1981-04-28
4254636 Heat transfer system 1981-03-10