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

Brian Greenfield — 11 Patents

UNUnknown: 3 patents #7,366 of 83,584Top 9%
SLSmiths Industries Public Limited: 1 patents #59 of 171Top 35%
Keyano, CA: #104 of 1,768 inventorsTop 6%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Brian Greenfield has been granted 11 US patents while listed as an inventor at Unknown. The first was granted in 1995 and the most recent in October 2019. Brian Greenfield ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Brian Greenfield in Keyano, QC, CA.

Patents per Year

Patents granted per year, 1995 to 2019Bar chart with a peak of 3 patents in 2016.peak 31995: 1 patents19951998: 1 patents19982000: 1 patents20002010: 2 patents20102015: 1 patents20152016: 3 patents20162019: 2 patents2019

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10427025 Ski tote 2019-10-01
10279961 Bottle closure with easy open tabs 2019-05-07
D763690 Bottle closure 2016-08-16
D761653 Bottle cap with ribs and rib projections 2016-07-19
D758858 Bottle closure with easy open tabs 2016-06-14
RE45374 Arthritic-friendly bottle cap 2015-02-17
D620356 Arthritic-friendly bottle cap 2010-07-27
D613161 Arthritic-friendly bottle cap 2010-04-06
6050264 Laryngeal mask assemblies 2000-04-18
5704502 Closure with forearm engaging tabs for medication containers 1998-01-06
5429257 Closure with forearm engaging tabs for medication containers Etienne Guay 1995-07-04