Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert H. Sleamaker — 5 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Williston, VT: #67 of 203 inventorsTop 35%
Vermont: #1,225 of 4,968 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Robert H. Sleamaker has been granted 5 US patents while listed as an inventor at Unknown. The first was granted in 1991 and the most recent in October 2023. Robert H. Sleamaker ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Robert H. Sleamaker in Williston, VT, US.

Patents per Year

Patents granted per year, 1991 to 2023Bar chart with a peak of 2 patents in 1994.peak 21991: 1 patents19911994: 2 patents19942007: 1 patents20072023: 1 patents2023

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11786777 Multi-purpose exercise machine 2023-10-17
7204790 Multi-sport training machine with inclined monorail and roller carriage 2007-04-17
5354251 Multifunction excercise machine with ergometric input-responsive resistance 1994-10-11
5328427 Skating/skiing simulator with ergometric input-responsive resistance 1994-07-12
5029848 Exercise machine with roller carriage mounted on monorail 1991-07-09