Inventor · disambiguated record
Dennis M. Pumphrey
Also filed as: PUMPHREY DENNIS M
5 granted patents·166 citations·filing 1991–1997
84Inventor score
Top patents by PatentIndex Score
5 records- 0187US5139376AMethod and apparatus for controlled penetration drillingEXCELLON AUTOMATION·Filed 1991·Granted Aug 18, 1992·96 cites·19 claims
- 0268US5308198AMethod and apparatus for drill length compensationPUMPHREY DENNIS M·Filed 1992·Granted May 3, 1994·31 cites·11 claims
- 0358US5919120ATool changer methodEXCELLON AUTOMATION·Filed 1997·Granted Jul 6, 1999·15 cites·10 claims
- 0453US5716310ATool change apparatusEXCELLON AUTOMATION COMPANY·Filed 1995·Granted Feb 10, 1998·15 cites·22 claims
- 0540US5332340ADrilling method and apparatus using variable dwell timesEXCELLON AUTOMATION·Filed 1992·Granted Jul 26, 1994·9 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →