Inventor · disambiguated record
Carl F. Back
Also filed as: BACK CARL F · BACK CARL FRANKLIN
8 granted patents·269 citations·filing 1976–2000
89Inventor score
Top patents by PatentIndex Score
8 records- 0189US6454542B1Hydraulic cylinder powered double acting duplex piston pumpLAIBE CORP·Filed 2000·Granted Sep 24, 2002·45 cites·22 claims
- 0286US6298927B1Pipe storage and handling system for a drilling rigLAIBE CORP·Filed 2000·Granted Oct 9, 2001·94 cites·33 claims
- 0363US5306124ASlurry pump and seal systemLAIBE SUPPLY CORP·Filed 1993·Granted Apr 26, 1994·28 cites·13 claims
- 0458US5094302ADrilling rigLAIBE SUPPLY CORP·Filed 1990·Granted Mar 10, 1992·35 cites·12 claims
- 0553US4671365ADrill feeding and hoisting system for an earthdrillINGERSOLL RAND CO·Filed 1985·Granted Jun 9, 1987·24 cites·2 claims
- 0652US5697457ANo load derrick for drilling rigLAIBE SUPPLY CORP·Filed 1996·Granted Dec 16, 1997·32 cites·30 claims
- 0732US4006807APower transfer mechanismINGERSOLL RAND CO·Filed 1976·Granted Feb 8, 1977·2 cites·4 claims
- 0831US4971162AContinuous drill feed apparatusBACK CARL F·Filed 1989·Granted Nov 20, 1990·9 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →