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

Robert E. Hammerquist — 5 Patents

ECEagle Industry Co.: 2 patents #197 of 316Top 65%
Harris: 2 patents #1,189 of 2,461Top 50%
IEItt Manufacturing Enterprises: 1 patents #577 of 1,404Top 45%
Huntington, NY: #87 of 503 inventorsTop 20%
New York: #27,005 of 115,490 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Robert E. Hammerquist has been granted 5 US patents. The first was granted in 2012 and the most recent in February 2023. Robert E. Hammerquist ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Robert E. Hammerquist in Huntington, NY, US.

Patents per Year

Patents granted per year, 2012 to 2023Bar chart with a peak of 2 patents in 2018.peak 22012: 1 patents20122018: 2 patents20182020: 1 patents20202023: 1 patents2023

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11591050 Sonobuoy deployable resources Tom Graham, Robert Eschbach, Brian K. Elliott 2023-02-28
10675830 Packer device Steven D. Kay, Jeffrey S. Shapiro, Steven A. Hartney 2020-06-09 $296,088,000
10106228 Sonobuoy adapter kit with pneumatic air diverter valve Kenneth Majewski, Thomas Lithen, Xiaochun Fisher, Robert Eschbach, Alexander Price 2018-10-23
10012247 Variable booster for hybrid pneumatic regenerative system Steven D. Kay, Jeffrey S. Shapiro, Steven A. Hartney 2018-07-03 $64,238,000
8089034 Mechanism for folding, sweeping, and locking vehicle wings about a single pivot 2012-01-03 $2,748,000