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

Ralph A. Kirkpatrick — 6 Patents

GE: 6 patents #5,843 of 36,430Top 20%
Mason, OH: #299 of 1,011 inventorsTop 30%
Ohio: #13,600 of 73,341 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Ralph A. Kirkpatrick has been granted 6 US patents while listed as an inventor at GE. The first was granted in 1985 and the most recent in April 2000. Ralph A. Kirkpatrick ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Ralph A. Kirkpatrick in Mason, OH, US.

Patents per Year

Patents granted per year, 1985 to 2000Bar chart with a peak of 1 patents in 1985.peak 11985: 1 patents19851987: 1 patents19871988: 1 patents19881990: 1 patents19901992: 1 patents19922000: 1 patents2000

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6050614 Bolted seal joint assembly 2000-04-18 $219,543,000
5127795 Stator having selectively applied thermal conductivity coating Larry W. Plemmons, William C. Oakes 1992-07-07 $13,918,000
4907944 Turbomachinery blade mounting arrangement Gerard P. Kroger, Robert Andrew Peck 1990-03-13 $16,531,000
4728255 Removable stiffening disk Gerard P. Kroger 1988-03-01 $11,647,000
4688992 Blade platform Kenneth Willgoose, Omer Duane Erdmann 1987-08-25 $17,031,000
4541774 Turbine cooling air deswirler Harold P. Rieck, Jr. 1985-09-17 $8,236,000