Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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John A. Popken

INIntel: 2 patents #13,213 of 30,777Top 45%
SRSmith & Nephew Richards: 1 patents #60 of 116Top 55%
Longmont, CO: #383 of 2,039 inventorsTop 20%
Colorado: #5,842 of 40,980 inventorsTop 15%
Overall (All Time): #667,634 of 4,157,543Top 20%
8 Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5725530 Surgical saw and methods therefor 1998-03-10
5372597 Supination-pronation device Robert N. Hotchkiss, Arthur B. Woodward, Mark S. Gosney 1994-12-13
D341752 Combined plate and cup carrier Kenneth W. Hotchkiss, Art B. Woodward 1993-11-30
4908017 Failsafe apparatus and method for effecting syringe drive David C. Howson, Michael W. Fellinger, Richard M. Altobellis, Bennett Scharf, Walter E. Oshetski 1990-03-13
4846797 Syringe positioning device for enhancing fluid flow control David C. Howson, Michael W. Fellinger, Richard M. Altobellis 1989-07-11
4834152 Storage receptacle sealing and transfer apparatus David C. Howson, Robert E. Havranek, Frederick L. Stone 1989-05-30
D290806 Telephone light bulb replacement tool Kenneth W. Hotchkiss, George H. Bramhall 1987-07-14
4449015 Connector cover with multiple mounting means Kenneth W. Hotchkiss, Nellie S. Griffith 1984-05-15