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

Ross Clarke — 6 Patents

GRGreenthread: 3 patents #2 of 6Top 35%
SLSwelltec Limited: 1 patents #4 of 5Top 80%
WHWeatherford Technology Holdings: 1 patents #480 of 831Top 60%
Aberdeen, GB: #87 of 784 inventorsTop 15%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Ross Clarke has been granted 6 US patents while listed as an inventor at Greenthread. The first was granted in 2013 and the most recent in March 2021. Ross Clarke ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Ross Clarke in Aberdeen, GB.

Patents per Year

Patents granted per year, 2013 to 2021Bar chart with a peak of 2 patents in 2017.peak 22013: 1 patents20132017: 2 patents20172019: 1 patents20192020: 1 patents20202021: 1 patents2021

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10961131 Apparatus and methods for water treatment Andrew J. Henderson, Brian Nutley, Kim Nutley 2021-03-30
10696568 Apparatus and method for water treatment Andrew J. Henderson, Brian Nutley, Kim Nutley 2020-06-30
10442705 Apparatus and method for water treatment Andrew J. Henderson, Brian Nutley, Kim Nutley 2019-10-15
9745818 Downhole isolation methods and apparatus therefor John P. Broussard, Brian Nutley, Kim Nutley 2017-08-29
9587459 Downhole isolation methods and apparatus therefor John P. Broussard, Brian Nutley, Kim Nutley 2017-03-07
8360327 Animal transponder tag 2013-01-29