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

Michael Caldwell — 8 Patents

CSCsidentity: 4 patents #5 of 20Top 25%
Ramona, CA: #87 of 542 inventorsTop 20%
California: #74,834 of 386,348 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Michael Caldwell has been granted 8 US patents while listed as an inventor at Csidentity. The first was granted in 1980 and the most recent in March 2020. Michael Caldwell ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Michael Caldwell in Ramona, CA, US.

Patents per Year

Patents granted per year, 1980 to 2020Bar chart with a peak of 2 patents in 2017.peak 21980: 1 patents19801982: 1 patents19821987: 1 patents19871989: 1 patents19892016: 1 patents20162017: 2 patents20172020: 1 patents2020

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10593004 System and methods for identifying compromised personally identifiable information on the internet Harold E. Gottschalk, JR., Joel Carleton 2020-03-17
9710868 System and methods for identifying compromised personally identifiable information on the internet Harold E. Gottschalk, JR., Joel Carleton 2017-07-18
9558368 System and methods for identifying compromised personally identifiable information on the internet Harold E. Gottschalk, JR., Joel Carleton 2017-01-31
9235728 System and methods for identifying compromised personally identifiable information on the internet Harold E. Gottschalk, JR., Joel Carleton 2016-01-12
4823969 Carbonation cap 1989-04-25
4676283 Home carbonation apparatus and method 1987-06-30
4343824 Method for carbonating liquids in situ 1982-08-10
4222972 Method and means for carbonating liquids in situ 1980-09-16