FP

Frederick A. Powers

DI Dimensional Insight Incorporated: 20 patents #1 of 7Top 15%
GR Graco: 8 patents #5 of 149Top 4%
WE Wanner Engineering: 5 patents #2 of 20Top 10%
📍 Sudbury, MA: #27 of 857 inventorsTop 4%
🗺 Massachusetts: #1,705 of 88,656 inventorsTop 2%
Overall (All Time): #71,713 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
6089532 Valve for use with agricultural sprayers Terry Rohloff, Timothy L. Sebion 2000-07-18
6019124 Valve assembly for use with high pressure pumps Timothy L. Sebion 2000-02-01
5707219 Diaphragm pump 1998-01-13
5667143 Spray gun for spraying two fluids Timothy L. Sebion, Calvin Pasvogel 1997-09-16
5442784 Data management system for building a database with multi-dimensional search tree nodes Stanley R. Zanarotti 1995-08-15
5404512 Method for accessing a database with multi-dimensional search tree nodes Stanley R. Zanarotti 1995-04-04
5404513 Method for building a database with multi-dimensional search tree nodes Stanley R. Zanarotti 1995-04-04
5368454 Quiet check valve 1994-11-29
D345138 Air motor Harold D. Johnson 1994-03-15
5277099 Reduced icing low friction air valve 1994-01-11
5257365 Database system with multi-dimensional summary search tree nodes for reducing the necessity to access records Stanley R. Zanarotti 1993-10-26
5189943 Device for reducing icing 1993-03-02
4921408 Non-icing quiet air-operated pump Daniel J. Kvinge, Kenneth E. Lehrke 1990-05-01
D302557 Pump Arlon R. Pyle, Sheila S. McKee 1989-08-01
4792291 Viscous damped valve for hydraulic pump Daniel J. Kvinge 1988-12-20
4681516 Leakage preventing liquid supply pump John G. O'Hara, Steven Edward Peter 1987-07-21
4637295 Pump seal with curved backup plate Thomas J. Gustafson 1987-01-20