Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
WK

William H. Knuth

OTOrbital Technologies: 4 patents #6 of 27Top 25%
ACAcurex: 2 patents #1 of 23Top 5%
Huntsville, AL: #253 of 1,894 inventorsTop 15%
Alabama: #1,266 of 10,951 inventorsTop 15%
Overall (All Time): #876,829 of 4,157,543Top 25%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6865878 Hybrid rocket engine and method of propelling a rocket Martin Chiaverini, Daniel J. Gramer 2005-03-15
6601380 Hybrid rocket engine and method of propelling a rocket Martin Chiaverini, Daniel J. Gramer 2003-08-05
6298659 Vortex flow field and apparatus and method for producing the same Martin Chiaverini, Daniel J. Gramer 2001-10-09
6101808 Cryogenic solid hybrid rocket engine and method of propelling a rocket Eric E. Rice, Darin R. Kohles, Christopher P. St. Clair, Daniel J. Gramer 2000-08-15
5010730 Gas-fed hybrid propulsion system John H. Beveridge 1991-04-30
4901525 Booster-sustainer rocket engine and method John H. Beveridge 1990-02-20