Inventor · disambiguated record
Frank R. Szpek, Jr.
Also filed as: SZPEK FRANK R · SZPEK JR FRANK R · SZPEK JR FRANK RICHARD
8 granted patents·36 citations·filing 1997–2015
83Inventor score
Top patents by PatentIndex Score
8 records- 0176US8959805B2Machine having dipper actuator systemCATERPILLAR INC·Filed 2013·Granted Feb 24, 2015·6 cites·20 claims
- 0271US9702250B2Power shovel hoist machinery with auxiliary weight boxCATERPILLAR GLOBAL MINING LLC·Filed 2015·Granted Jul 11, 2017·2 cites·7 claims
- 0371US9127435B2Power shovel hoist machinery with auxiliary weight boxCATERPILLAR GLOBAL MINING LLC·Filed 2013·Granted Sep 8, 2015·4 cites·8 claims
- 0469US8966792B2Machine having dipper actuator systemCATERPILLAR INC·Filed 2013·Granted Mar 3, 2015·4 cites·20 claims
- 0554US9388689B2Multi-deck mining vehicleCATERPILLAR GLOBAL MINING LLC·Filed 2013·Granted Jul 12, 2016·2 cites·13 claims
- 0653US8935865B2Power shovel having isolated hydraulic dipper actuatorCATERPILLAR INC·Filed 2013·Granted Jan 20, 2015·1 cites·20 claims
- 0736US5956915ATubular drill mastBUCYRUS INT INC·Filed 1997·Granted Sep 28, 1999·17 cites·12 claims
- 0835US8936232B2Interlock systemKOWALSKI THOMAS·Filed 2012·Granted Jan 20, 2015·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →