Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Gregory E. Klosterman — 1 Patent

JCJohn Crane: 1 patents #40 of 77Top 55%
Arlington Heights, IL: #827 of 1,285 inventorsTop 65%
Illinois: #49,230 of 84,256 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Gregory E. Klosterman has been granted 1 US patent while listed as an inventor at John Crane. All of these patents were granted in 1999. Gregory E. Klosterman ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Gregory E. Klosterman in Arlington Heights, IL, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5938206 Pressure responsive primary ring for a non-contacting mechanical end face seal Wei-Tang Lai, James R. Wasser 1999-08-17 $14,923,000