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USPTO Patent Rankings Data through Dec 31, 2025
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David E. Hansen — 32 Patents

KOKohler: 15 patents #107 of 998Top 15%
Eastman Kodak: 14 patents #789 of 8,114Top 10%
FNFirst Pacific Networks: 2 patents #6 of 28Top 25%
DMDennison Manufacturing: 1 patents #69 of 152Top 50%
Rua Missão Salesiana, WI: #2 of 11 inventorsTop 20%
Wisconsin: #910 of 40,088 inventorsTop 3%
Overall (All Time): #110,428 of 4,157,543Top 3%
32 Patents All Time
David E. Hansen has been granted 32 US patents while listed as an inventor at Kohler. The first was granted in 1980 and the most recent in May 2025. David E. Hansen ranks #110,428 of 4,157,543 US inventors in our database (top 2.7%). Patent records list David E. Hansen in Rua Missão Salesiana, WI, US.

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12305372 Faucet assembly with friction ring Brad R. Hadfield, Perry D. Erickson 2025-05-20
11879238 Faucet assembly with friction ring Brad R. Hadfield, Perry D. Erickson 2024-01-23
11555300 Faucet assembly with friction ring Brad R. Hadfield, Perry D. Erickson 2023-01-17
11098465 Faucet assembly with friction ring Brad R. Hadfield, Perry D. Erickson 2021-08-24
10815650 Faucet with offset valve Rafael A. Rexach 2020-10-27
10604918 Faucet with offset valve Rafael A. Rexach 2020-03-31
10273669 System and method to position and retain a sensor in a faucet spout John C. Esche 2019-04-30
9879407 Faucet handle fitting Perry D. Erickson 2018-01-30
9695580 System and method to position and retain a sensor in a faucet spout John C. Esche 2017-07-04
9259744 Faucet — 2016-02-16
9062790 System and method to position and retain a sensor in a faucet spout John C. Esche, Jeffrey C. Hildebrand 2015-06-23
8505579 Selectable fluid valve assembly John C. Esche, Leila M. Rubin 2013-08-13
7909269 Faucet spray control assembly Perry D. Erickson, Patrick Montag 2011-03-22
7814927 Faucet with accessible waterway assembly — 2010-10-19
5940895 Heated toilet seat David Wilson, Anton J. Kolar, Michael J. Merritt, John M. Check 1999-08-24
5303825 Storage assemblage for index print sheets and cassettes William H. Valls 1994-04-19 $9,215,000
5301803 Package for index print sheet and cassette William H. Valls 1994-04-12 $3,080,000
5271497 Storage assemblage for index print sheets and cassettes Robert J. Blackman 1993-12-21 $6,091,000
5272700 Spectrally efficient broadband transmission system Robert P. McNamara, James C. Long, Michael J. Serrone, Chinh Phan, Long Tran 1993-12-21 $4,720,000
5255267 Apparatus for combining broadband and baseband signal transmissions Robert P. McNamara, Chinh Phan, Michael J. Serrone 1993-10-19 $6,425,000
5251747 Storage assemblage for index print sheets and cassettes Joel S. Lawther, Robert J. Blackman 1993-10-12 $3,259,000
5111228 Horizontal/vertical frame viewfinder — 1992-05-05 $3,677,000
D311546 Camera with integral flash unit Bruce A. Leonard 1990-10-23
4841319 Apparatus for loading a film cassette into a camera — 1989-06-20 $5,278,000
4801960 Mode selector member and finger recess in a camera — 1989-01-31 $3,069,000

Nearby-Ranked Inventors

Jean-Sebastien Merette32
Nicolas Francois32
Rainer Liebhart32
Robert E. Simonson32
Johannes Meyer32
Siddharth K. Saraya32
Anton S. Kaplanyan32
Timothy S. Sherwood32
John Klier32