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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RB

Robert L. Barnett — 23 Patents

UNUnknown: 4 patents #4,220 of 83,584Top 6%
OROrbotech: 1 patents #84 of 175Top 50%
Santa Ana, CA: #33 of 1,362 inventorsTop 3%
California: #24,547 of 386,348 inventorsTop 7%
Overall (All Time): #178,160 of 4,157,543Top 5%
23 Patents All Time
Robert L. Barnett has been granted 23 US patents while listed as an inventor at Unknown. The first was granted in 1995 and the most recent in April 2024. Robert L. Barnett ranks #178,160 of 4,157,543 US inventors in our database (top 4.3%). Patent records list Robert L. Barnett in Santa Ana, CA, US.

Patents per Year

Patents granted per year, 1995 to 2024Bar chart with a peak of 2 patents in 2002.peak 21995: 1 patents19951996: 1 patents2002: 2 patents20022003: 2 patents2004: 1 patents20042005: 1 patents2006: 1 patents20062007: 1 patents2009: 2 patents20092010: 1 patents2011: 2 patents20112018: 1 patents2019: 1 patents20192020: 2 patents2021: 2 patents20212023: 1 patents2024: 1 patents2024

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
11959961 Method of determining an X and Y location of a surface particle 2024-04-16
11565684 Master cylinder assembly with separator 2023-01-31
11198485 Motorcycle front brake master cylinder assembly 2021-12-14
D932981 Brake system cover 2021-10-12
10625813 Motorcycle front brake master cylinder assembly 2020-04-21
10597113 Motorcycle front brake master cylinder assembly 2020-03-24
10220910 Handlebar drive for bicycle 2019-03-05
9932086 Motorcycle front brake master cylinder assembly 2018-04-03
7975810 Cam activated bicycle wheel brake Robert Z. Liu 2011-07-12
7921747 Collapsible control lever 2011-04-12
7797870 Rifle bolt linkage mechanism 2010-09-21
7578553 Bicycle seat clamp 2009-08-25
7497042 Rifle bolt linkage mechanism 2009-03-03
7210371 Control lever assembly 2007-05-01
7080879 Bicycle seat clamp 2006-07-25
6892603 Rotatable control lever mount 2005-05-17
6739133 Motorcycle control lever 2004-05-25
6578445 Collapsible control lever 2003-06-17
6533690 Chain guide apparatus for bicycle 2003-03-18
6393936 Collapsible control lever 2002-05-28
6354973 Chain guide apparatus for bicycle 2002-03-12
5509675 Bicycle front suspension system 1996-04-23
5460576 Bicycle chain guide 1995-10-24