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

Charles Schaefer — 6 Patents

TITexas Instruments: 2 patents #5,266 of 12,488Top 45%
Xerox: 1 patents #5,237 of 8,622Top 65%
Westbrook, CT: #16 of 64 inventorsTop 25%
Connecticut: #7,364 of 34,797 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Charles Schaefer has been granted 6 US patents while listed as an inventor at Texas Instruments. The first was granted in 1984 and the most recent in December 2025. Charles Schaefer ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Charles Schaefer in Westbrook, CT, US.

Patents per Year

Patents granted per year, 1984 to 2008Bar chart with a peak of 1 patents in 1984.peak 11984: 1 patents19841994: 1 patents19942003: 1 patents20032004: 1 patents20042008: 1 patents2008

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12499427 Direct electronic bill payment with real-time funds availability Rohit Mehtani, Suresh Munusamy, Rajesh Narayan Kulkarni, Bruce Rapport, Rich Rezek +1 more 2025-12-16
7389985 Tray locking system for accepting sheets Sean Parry 2008-06-24 $4,672,000
6750081 Header for electronic components board in surface mount and through-hole assembly Kristopher Neild, Claude Fernandez 2004-06-15 $14,621,000
6664622 Header for electronic components board in surface mount and through-hole assemble Kristopher Neild, Claude Fernandez 2003-12-16 $36,585,000
5366190 Repeater housing mounting unit Donald Christiansen, Charles G. Machledt 1994-11-22
4480582 Adhesive applying apparatus 1984-11-06