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

Ronald E. Crabtree — 2 Patents

Honeywell: 2 patents #7,937 of 16,504Top 50%
Sun Lakes, AZ: #12 of 28 inventorsTop 45%
Arizona: #13,181 of 32,909 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Ronald E. Crabtree has been granted 2 US patents. All of these patents were granted in 2000. Ronald E. Crabtree ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ronald E. Crabtree in Sun Lakes, AZ, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6151909 Two spool air cycle machine having concentric shafts Michael E. Carter, Terrence Emerson, Arturo Moreno, Terry L. Morris, Raymond Rapozo +1 more 2000-11-28 $41,893,000
6070418 Single package cascaded turbine environmental control system Peter C. Collins, Stanley C. Pollitt, Roger R. Sanger, Michel A. Jonqueres, Thomas J. Kazan 2000-06-06 $32,505,000