Inventor
SIPOS DAVID L
US38 patents
⚠️ This page may combine multiple inventors who share the name “SIPOS DAVID L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIPOS DAVID L
9 patentsUS7775270B1Aug 17, 2010
Spider with distributed gripping dies
SIPOS DAVID L24 citations92
US7267168B1Sep 11, 2007
Spider with discrete die supports
SIPOS DAVID L27 citations92
US9206655B2Dec 8, 2015
360 degree shoulder clamp elevator and method of use
SIPOS DAVID L9 citations84
US7891469B1Feb 22, 2011
Discrete element spider
SIPOS DAVID L12 citations84
US9347282B1May 24, 2016
High torque capacity spider
SIPOS DAVID L6 citations73
US9341036B2May 17, 2016
360 degree shoulder clamp elevator and method of use
SIPOS DAVID L2 citations62
US11835316B1Dec 5, 2023
Revolver-type firearm with a barrel-cylinder gap seal
SIPOS DAVID L0 citations52
US10053932B2Aug 21, 2018
Wide open spider tool
SIPOS DAVID L1 citations52
US9869144B2Jan 16, 2018
Gate elevator
SIPOS DAVID L0 citations41
CASING FRANK S CREW & RENTAL
8 patentsUS5810401ASep 22, 1998
Threaded tool joint with dual mating shoulders
CASING FRANK S CREW & RENTAL141 citations99
US7032678B2Apr 25, 2006
Horseshoe shaped elevator and method for using same
CASING FRANK S CREW & RENTAL28 citations93
US6915868B1Jul 12, 2005
Elevator apparatus and method for running well bore tubing
CASING FRANK S CREW & RENTAL23 citations93
US6675919B2Jan 13, 2004
Tubular piling apparatus and method
CASING FRANK S CREW & RENTAL27 citations93
US6485061B1Nov 26, 2002
Threaded tool joint for connecting large diameter tubulars
CASING FRANK S CREW & RENTAL49 citations93
US6386283B1May 14, 2002
Elevator and spider converter
CASING FRANK S CREW & RENTAL20 citations93
US6120067ASep 19, 2000
Threaded tool joint for connecting large tubes
CASING FRANK S CREW & RENTAL28 citations86
US6631541B2Oct 14, 2003
Hammer piston handling apparatus
CASING FRANK S CREW & RENTAL7 citations74
FRANK S INR INC
7 patentsUS7096948B2Aug 29, 2006
Method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing
FRANK S INR INC64 citations99
US6595288B2Jul 22, 2003
Method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing
FRANK S INR INC111 citations99
US5918673AJul 6, 1999
Method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing
FRANK S INR INC112 citations97
US7874361B2Jan 25, 2011
Methods and devices for forming a wellbore with casing
FRANK S INR INC33 citations96
US7635026B2Dec 22, 2009
Methods and devices for forming a wellbore with casing
FRANK S INR INC36 citations96
US8708043B2Apr 29, 2014
Methods and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing
FRANK S INR INC3 citations74
US7370698B2May 13, 2008
Method and apparatus for transferring rig weight to tubulars
FRANK S INR INC3 citations74
FRANKS CASING CREW & RENTAL
3 patentsUS6557641B2May 6, 2003
Modular wellbore tubular handling system and method
FRANKS CASING CREW & RENTAL67 citations96
US6568479B2May 27, 2003
Horseshoe shaped elevator and method for using same
FRANKS CASING CREW & RENTAL37 citations92
US7513537B2Apr 7, 2009
Tubular connection with slotted threads
FRANKS CASING CREW & RENTAL17 citations84
BOWEN TOOLS INC
3 patentsUS5251493AOct 12, 1993
Load cell for well tubulars or the like
BOWEN TOOLS INC3 citations63
US4842058AJun 27, 1989
Load detection and indicator apparatus for well tubing or the like
BOWEN TOOLS INC3 citations57
US4793410ADec 27, 1988
Load detection and indicator apparatus for well tubing or the like
BOWEN TOOLS INC5 citations57