Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Clarence Drumheller — 3 Patents

CPCellco Partnership: 1 patents #354 of 789Top 45%
Cisco: 1 patents #7,948 of 13,007Top 65%
Chesapeake, VA: #48 of 343 inventorsTop 15%
Virginia: #9,600 of 34,511 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Clarence Drumheller has been granted 3 US patents while listed as an inventor at Cellco Partnership. The first was granted in 1988 and the most recent in May 2013. Clarence Drumheller ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Clarence Drumheller in Chesapeake, VA, US.

Patents per Year

Patents granted per year, 1988 to 2013Bar chart with a peak of 1 patents in 1988.peak 11988: 1 patents19882007: 1 patents20072013: 1 patents2013

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8437305 Method for providing home agent geographic redundancy Greg Cheever, Sanil Kumar Puthiyandyil, Rajesh Ramankutty, Satya (Satish) Vasamsetti 2013-05-07 $36,781,000
7277416 Network based IP address assignment for static IP subscriber Patricia R. Chang, Ce Xu, William C. King, Jack Tang, Peter Hu +1 more 2007-10-02 $157,315,000
D295491 Ground cover for moisture preservation, weed prevention or the like 1988-05-03