Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David A. Kranzler — 6 Patents

3C3Com: 5 patents #238 of 1,250Top 20%
SISkybell Technologies Ip: 1 patents #9 of 9Top 100%
Belmont, CA: #505 of 1,494 inventorsTop 35%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
David A. Kranzler has been granted 6 US patents while listed as an inventor at 3Com. The first was granted in 1994 and the most recent in December 2023. David A. Kranzler ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list David A. Kranzler in Belmont, CA, US.

Patents per Year

Patents granted per year, 1994 to 2023Bar chart with a peak of 1 patents in 1994.peak 11994: 1 patents19941997: 1 patents19971998: 1 patents19982001: 1 patents20012002: 1 patents20022023: 1 patents2023

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11837040 Smart lock systems and methods 2023-12-05
6396832 Method and apparatus for optimizing a switched arbitrated loop for maximum access fairness 2002-05-28 $2,516,000
6324181 Fibre channel switched arbitrated loop Don Yih Wong, Ruchi Wadhawan, Craig Owens 2001-11-27 $6,061,000
5805596 Method for in-band communication of management information in a backplane architecture of a stackable ethernet repeater Wen Tang, Edwin Ibe 1998-09-08 $40,609,000
5636214 Backplane architecture for stackable ethernet repeater Ching-Yao Chu, Wen Tang 1997-06-03 $110,793,000
5317215 Method and apparatus for frequency discriminating computer network signals 1994-05-31 $20,243,000