JF

John C. Field

PA Parker-Hannifin: 3 patents #248 of 1,656Top 15%
AE Aeroquip: 2 patents #46 of 183Top 30%
📍 Jackson, MI: #39 of 406 inventorsTop 10%
🗺 Michigan: #10,567 of 86,293 inventorsTop 15%
Overall (All Time): #585,763 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6848670 Access port (suitable for fluid/refrigerant system) Gregory A. Haunhorst, Keith Herbert Gifford 2005-02-01
6481756 Coupling assembly John C. Stemmler, Michael P. Wells, Christopher E. Schadewald, Gregory A. Haunhorst 2002-11-19
6382678 Coupling assembly John C. Stemmler, Michael P. Wells, Christopher E. Schadewald, Gregory A. Haunhorst 2002-05-07
5979448 Condom retention device with a retaining strap James M. Weller 1999-11-09
D414264 Condom retention device with a retaining strap James M. Weller 1999-09-21
D394504 Prosthetic device with a retaining strap James M. Weller 1998-05-19
5667471 Prosthetic device with a retaining strap James M. Weller 1997-09-16
5179976 Fluid coupling John D. Boland, Paul J. E. Fournier, David S. Densel 1993-01-19
4793637 Tube connector with indicator and release Robert A. Laipply 1988-12-27