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USPTO Patent Rankings Data through Dec 31, 2025
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John C. Vendelin — 9 Patents

CECedarapids: 8 patents #5 of 43Top 15%
Springfield, OR: #16 of 222 inventorsTop 8%
Oregon: #4,727 of 28,073 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
John C. Vendelin has been granted 9 US patents while listed as an inventor at Cedarapids. The first was granted in 1988 and the most recent in November 2010. John C. Vendelin ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list John C. Vendelin in Springfield, OR, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7832669 Screw adjust cone crusher 2010-11-16
5971306 Gyratory crusher having tramp iron relief system with an annular hydraulic manifold William A. Ganser, IV, Joseph E. Musil, Donald W. Henry, Mark Lawrence Hunt, David A. Ostergaard +5 more 1999-10-26
5944265 Gyratory crusher having self-contained lubrication system William A. Ganser, IV, Joseph E. Musil, Donald W. Henry, Mark Lawrence Hunt, David A. Ostergaard +5 more 1999-08-31
5875981 Gyratory crusher having tramp iron relief system William A. Ganser, IV, Joseph E. Musil, Donald W. Henry, Mark Lawrence Hunt, David A. Ostergaard +5 more 1999-03-02
5803382 Gyratory crusher having corrugation-like-seal William A. Ganser, IV, Joseph E. Musil, Donald W. Henry, Mark Lawrence Hunt, David A. Ostergaard +5 more 1998-09-08
5718390 Gyratory crusher William A. Ganser, IV, Joseph E. Musil, Donald W. Henry, Peter Alford, Jon Juhlin +2 more 1998-02-17
5083714 Vertical shaft impact crusher having a vertically adjustable feed tube Frederick J. Winegar 1992-01-28
4896838 Rotor for vertical shaft impact crushers Frederick J. Winegar 1990-01-30
4717084 Hydraulic system for remote operable cone crushers David F. Peaks 1988-01-05