Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
GG

Gerold Goertzen

INInvacare: 31 patents #3 of 196Top 2%
RHRoper Holdings: 4 patents #4 of 43Top 10%
FAFarmhand: 1 patents #5 of 8Top 65%
Brunswick, OH: #5 of 251 inventorsTop 2%
Ohio: #1,232 of 73,341 inventorsTop 2%
Overall (All Time): #89,730 of 4,157,543Top 3%
37 Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
6357776 Constant center of gravity tiltable chair of a wheelchair Adrian J. Setacci, George R. Cockram, Todd Dinner, Hymie Pogir 2002-03-19
6302107 Apparatus and method for forming oxygen-enriched gas and compression thereof for high-pressure mobile storage utilization Joseph B. Richey, II 2001-10-16
5988165 Apparatus and method for forming oxygen-enriched gas and compression thereof for high-pressure mobile storage utilization Joseph B. Richey, II 1999-11-23
5971482 Constant center of gravity tiltable chair of a wheelchair Adrian J. Setacci 1999-10-26
5853059 Powered wheelchair with adjustable center of gravity and independent suspension Neal J. Curran, James H. Molnar 1998-12-29
5575348 Powered wheelchair with adjustable center of gravity and independent suspension Neal J. Curran, James H. Molnar 1996-11-19
5522734 Apparatus for interconnecting wheelchair batteries 1996-06-04
4706761 Tilling machine with pivotal bi-directional operative tines Lee R. Herscher 1987-11-17
4402365 Garden tiller with vegetation sloughing means 1983-09-06
4392538 Adjustable handle assembly for walk-behind garden implement 1983-07-12
4372397 Garden tiller with extended tine shield Lee R. Herscher 1983-02-08
4247242 Quick attachment device 1981-01-27