Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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James H. Hightower — 3 Patents

Comcast: 1 patents #2,448 of 4,447Top 60%
Olney, MD: #89 of 207 inventorsTop 45%
Maryland: #10,230 of 35,612 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
James H. Hightower has been granted 3 US patents while listed as an inventor at Comcast. The first was granted in 1985 and the most recent in July 2001. James H. Hightower ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list James H. Hightower in Olney, MD, US.

Patents per Year

Patents granted per year, 1985 to 2001Bar chart with a peak of 1 patents in 1985.peak 11985: 1 patents19851988: 1 patents19882001: 1 patents2001

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6254489 Amusement attraction with man-made tornado Nicholas H. Drobnis, Craig Robert Hanna, Philip Hettema, Cecil D. Magpuri, Edward S. Newquist 2001-07-03
4747174 Grooming attachment for reconditioning the playing surface of a tennis court — 1988-05-31
4533013 Motorized golf cart — 1985-08-06

Frequent Collaborators

Nicholas H. Drobnis1 shared
Philip Hettema1 shared
Craig Robert Hanna1 shared
Cecil D. Magpuri1 shared
Edward S. Newquist1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3