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

Donald E. Hendricks — 4 Patents

CACalcitek: 4 patents #1 of 9Top 15%
San Diego, CA: #8,442 of 23,606 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Donald E. Hendricks has been granted 4 US patents while listed as an inventor at Calcitek. The first was granted in 1992 and the most recent in April 1995. Donald E. Hendricks ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Donald E. Hendricks in San Diego, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5407359 Endosseous implant system with captured screw Alan R. Balfour 1995-04-18
5368160 Sterile packaging for dental implant system Jeffrey D. Leuschen 1994-11-29
5209666 Endosseous implant system wtih captured screw Alan R. Balfour 1993-05-11
5110292 Endosseous implant system with internal jam nut Alan R. Balfour 1992-05-05