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

Daniel Grigas — 2 Patents

CKCrompton & Knowles: 1 patents #18 of 45Top 40%
SKSchott Pharma Ag & Co. Kgaa: 1 patents #21 of 49Top 45%
SASchott Pharma Schweiz Ag: 1 patents #29 of 70Top 45%
South Dennis, MA: #6 of 10 inventorsTop 60%
Massachusetts: #42,563 of 88,656 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Daniel Grigas has been granted 2 US patents while listed as an inventor at Crompton & Knowles. The first was granted in 1983 and the most recent in September 2024. Daniel Grigas ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Daniel Grigas in South Dennis, MA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12091358 Glass cylinder for a piston-cylinder assembly with reduced friction, and method for treating a glass cylinder for a piston-cylinder assembly Eveline Rudigier-Voigt, Jovanna Djordjevic-Reiss, Thorsten Schneider, Joerg Geiger 2024-09-17
4381806 Yarn clamp 1983-05-03 $696,000