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USPTO Patent Rankings Data through Dec 31, 2025
Home › Ameritech › John David Downey
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John David Downey — 3 Patents

AMAmeritech: 2 patents #115 of 251Top 50%
SVSbc Knowledge Ventures: 1 patents #61 of 197Top 35%
Sherman, IL: #4 of 11 inventorsTop 40%
Illinois: #26,899 of 84,256 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
John David Downey has been granted 3 US patents while listed as an inventor at Ameritech. The first was granted in 2000 and the most recent in October 2005. John David Downey ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John David Downey in Sherman, IL, US.

Patents per Year

Patents granted per year, 2000 to 2005Bar chart with a peak of 1 patents in 2000.peak 12000: 1 patents20002002: 1 patents20022005: 1 patents2005

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6954517 Multiple service announcement method Carol Ann Rice, Ronald Dale Crumpler 2005-10-11 $2,761,000
6442246 Multiple service announcement method Carol Ann Rice, Ronald Dale Crumpler 2002-08-27
6011832 Multiple service announcement system and method Carol Ann Rice, Ronald Dale Crumpler 2000-01-04

Frequent Collaborators

Carol Ann Rice3 shared
Ronald Dale Crumpler3 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