Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David H. Vroom — 9 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Tucson, AZ: #774 of 6,004 inventorsTop 15%
Arizona: #4,088 of 32,909 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
David H. Vroom has been granted 9 US patents while listed as an inventor at Unknown. The first was granted in 2008 and the most recent in July 2025. David H. Vroom ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list David H. Vroom in Tucson, AZ, US.

Patents per Year

Patents granted per year, 2008 to 2025Bar chart with a peak of 4 patents in 2021.peak 42008: 1 patents20082019: 1 patents20192021: 4 patents20212025: 3 patents2025

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
D1084957 Shaft and gear housing 2025-07-22
D1082647 Shaft and gear housing 2025-07-08
D1063989 Shaft and gear housing 2025-02-25
11137054 Sliding support mechanism 2021-10-05
11047457 Preventing torque-caused impair of a sliding support mechanism 2021-06-29
10927929 Preventing torque-caused impair of a sliding support mechanism 2021-02-23
10883577 Sliding support mechanism with improved reliability and serviceability 2021-01-05
10480627 Sliding support mechanism with improved reliability and serviceability 2019-11-19
7341267 Reversible ratchet mechanism 2008-03-11