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

William E. Brown — 24 Patents

BTBiolase Technology: 4 patents #10 of 28Top 40%
SSStretto Di Messina S.P.A.: 3 patents #1 of 3Top 35%
GHGgc Holdings: 3 patents #1 of 2Top 50%
OPOptos Plc: 1 patents #32 of 83Top 40%
BSBinney & Smith: 1 patents #36 of 92Top 40%
EAE.I. Du Pont De Nemours And: 1 patents #10,329 of 12,129Top 90%
HIHallmark Cards, Incorporated: 1 patents #130 of 288Top 50%
KCKaiser Aluminum & Chemical: 1 patents #33 of 123Top 30%
Durham, NC: #179 of 4,103 inventorsTop 5%
North Carolina: #1,791 of 45,564 inventorsTop 4%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
William E. Brown has been granted 24 US patents. The first was granted in 1980 and the most recent in September 2021. William E. Brown ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list William E. Brown in Durham, NC, US.

Patents per Year

Patents granted per year, 1980 to 2021Bar chart with a peak of 5 patents in 1997.peak 51980: 2 patents19801986: 1 patents1987: 1 patents19871988: 1 patents1989: 1 patents19891995: 1 patents1996: 1 patents19961997: 5 patents1999: 1 patents19992004: 1 patents2014: 3 patents20142015: 1 patents2018: 1 patents20182020: 1 patents2021: 3 patents2021

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11112210 Moldable hand grips for firearms 2021-09-07
11092402 Angled action firearm 2021-08-17
10968646 Roofing safety line engagement assembly 2021-04-06
10697730 Moldable hand grips for firearms 2020-06-30
9924862 Ophthalmoscope Michael E. Sullivan, Anthony Corcoran, Derek Swan 2018-03-27
9060845 Systems and methods for disruption of an eye lens Marcia Angela Van Valen, Daniel S. Durrie 2015-06-23 $1,456,000
D713538 Disposable laser handpiece Marcia Angela Van Valen 2014-09-16
8827990 Methods for treating eye conditions Marcia Angela Van Valen 2014-09-09 $1,704,000
D701971 Disposable laser handpiece Marcia Van Valen 2014-04-01
6733577 Liquid polish 2004-05-11
5957503 Quick disconnect safety shield 1999-09-28
5678864 Quick disconnect safety shield 1997-10-21
D383197 Safety shield for a joint formed in a piping system 1997-09-02
D381406 Safety shield for the end cap in a piping system 1997-07-22
5634591 Sliding joint system for railway tracks, allowing a great longitudinal excursion, particularly for suspension bridges 1997-06-03
5615436 Suspension bridge framework 1997-04-01
5568667 Structure to interconnect two branches of a suspension bridge framework in correspondence of a pier supporting the catenary 1996-10-29
5441418 Thermochromic drawing device Charles W. Dietterich, Richard M. Mandle 1995-08-15
4869767 Process for placing single or multiple patterned layers of conductive material on a substrate Richard A. Robinson 1989-09-26
4718518 Step ladder 1988-01-12
D288934 Clutch spring retainer plate 1987-03-24
D283819 Clutch plate alignment hub 1986-05-13
4233078 Refractory composition for forming a monolithic structure 1980-11-11 $8,015,000
4204153 Method of determining the open circuit voltage of a battery in a closed circuit 1980-05-20 $5,959,000