Inventor · disambiguated record
John E. Rodger
Also filed as: RODGER JOHN E
4 granted patents·102 citations·filing 1995–1997
80Inventor score
Files withBAKER HUGHES INC4
Top patents by PatentIndex Score
4 records- 0159US5623966AFlow control choke with shutoff sealBAKER HUGHES INC·Filed 1995·Granted Apr 29, 1997·23 cites·30 claims
- 0254US5727775AGate valve with dual seal rings on a unitary seat ringBAKER HUGHES INC·Filed 1996·Granted Mar 17, 1998·38 cites·13 claims
- 0346US5850881ADrill pipe float valve and method of manufactureBAKER HUGHES INC·Filed 1997·Granted Dec 22, 1998·22 cites·12 claims
- 0442US5687792ADrill pipe float valve and method of manufactureBAKER HUGHES INC·Filed 1995·Granted Nov 18, 1997·19 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →