Inventor · disambiguated record
Francis J. Raab
Also filed as: RAAB FRANCIS J
8 granted patents·3 pending applications·270 citations·filing 1998–2005
89Inventor score
Top patents by PatentIndex Score
11 records- 0196US6541875B1Free piston engine with electrical power outputCATERPILLAR INC·Filed 2000·Granted Apr 1, 2003·127 cites·25 claims
- 0286US6854268B2Hydraulic control system with energy recoveryCATERPILLAR INC·Filed 2002·Granted Feb 15, 2005·39 cites·22 claims
- 0378US6206656B1Method of operating a free piston internal combustion engine with high pressure hydraulic fluid upon misfire or initial start-upCATERPILLAR INC·Filed 1999·Granted Mar 27, 2001·33 cites·8 claims
- 0474US7210292B2Hydraulic system having variable back pressure controlCATERPILLAR MITSUBISHI LTD·Filed 2005·Granted May 1, 2007·11 cites·36 claims
- 0570US6244226B1Free piston internal combustion engine with rotating pistonCATERPILLAR INC·Filed 1999·Granted Jun 12, 2001·30 cites·13 claims
- 0664US7634155B2Hybrid optical cylinder position sensorCATERPILLAR INC·Filed 2005·Granted Dec 15, 2009·5 cites·14 claims
- 0752US5878649AControlled porting for a pressure transformerCATERPILLAR INC·Filed 1998·Granted Mar 9, 1999·17 cites·8 claims
- 0840US2007073653A1Patent related search method and systemCATERPILLAR INC·Filed 2005·Application pending·0 cites
- 0936US2002178720A1High pressure hydrualic system within a single housingFiled 2001·Application pending·0 cites
- 1034US2003110766A1Hydraulic system with improved efficiencyFiled 2001·Application pending·0 cites
- 1131US6038958APorting for hydraulic pressure transformerNOAX B V·Filed 1998·Granted Mar 21, 2000·8 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →