Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David J. Markstein — 5 Patents

GE: 5 patents #6,849 of 36,430Top 20%
Hamilton, OH: #140 of 591 inventorsTop 25%
Ohio: #15,931 of 73,341 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David J. Markstein has been granted 5 US patents while listed as an inventor at GE. The first was granted in 1995 and the most recent in March 2001. David J. Markstein ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David J. Markstein in Hamilton, OH, US.

Patents per Year

Patents granted per year, 1995 to 2001Bar chart with a peak of 2 patents in 2000.peak 21995: 1 patents19951997: 1 patents19972000: 2 patents20002001: 1 patents2001

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6195981 Vectoring nozzle control system Charles Francis Hanley 2001-03-06 $100,473,000
6142416 Hydraulic failsafe system and method for an axisymmetric vectoring nozzle Martin A. Clements, Robert M. Ausdenmoore, William C. Lippmeier 2000-11-07 $155,690,000
6109021 Vectoring nozzle calibration Charles Francis Hanley 2000-08-29 $192,440,000
5685141 Lock for nozzle control in the event of hydraulic failure Paul B. Kemme 1997-11-11 $60,516,000
5442909 Control system for limiting the vector angle in an axisymmetric vectoring exhaust nozzle Barton H. Snow, Thomas K. Wills, Thomas P. Schmitt 1995-08-22 $31,461,000