Inventor
PIETRAS BERND-GEORG
DE64 patents
⚠️ This page may combine multiple inventors who share the name “PIETRAS BERND-GEORG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WEATHERFORD LAMB
45 patentsUS7021374B2Apr 4, 2006
Method and apparatus for connecting tubulars using a top drive
WEATHERFORD LAMB93 citations99
US7004259B2Feb 28, 2006
Apparatus and method for facilitating the connection of tubulars using a top drive
WEATHERFORD LAMB112 citations99
US6725938B1Apr 27, 2004
Apparatus and method for facilitating the connection of tubulars using a top drive
WEATHERFORD LAMB181 citations99
US6705405B1Mar 16, 2004
Apparatus and method for connecting tubulars using a top drive
WEATHERFORD LAMB126 citations99
US6688398B2Feb 10, 2004
Method and apparatus for connecting tubulars using a top drive
WEATHERFORD LAMB205 citations99
US6622796B1Sep 23, 2003
Apparatus and method for facilitating the connection of tubulars using a top drive
WEATHERFORD LAMB158 citations99
US6527047B1Mar 4, 2003
Method and apparatus for connecting tubulars using a top drive
WEATHERFORD LAMB217 citations99
US7757759B2Jul 20, 2010
Torque sub for use with top drive
WEATHERFORD LAMB80 citations98
US7451826B2Nov 18, 2008
Apparatus for connecting tubulars using a top drive
WEATHERFORD LAMB55 citations98
US7219744B2May 22, 2007
Method and apparatus for connecting tubulars using a top drive
WEATHERFORD LAMB67 citations98
US7213656B2May 8, 2007
Apparatus and method for facilitating the connection of tubulars using a top drive
WEATHERFORD LAMB75 citations98
US7137454B2Nov 21, 2006
Apparatus for facilitating the connection of tubulars using a top drive
WEATHERFORD LAMB85 citations98
US7128161B2Oct 31, 2006
Apparatus and methods for facilitating the connection of tubulars using a top drive
WEATHERFORD LAMB79 citations98
US6976298B1Dec 20, 2005
Methods and apparatus for connecting tubulars using a top drive
WEATHERFORD LAMB90 citations98
US6360633B2Mar 26, 2002
Apparatus and method for aligning tubulars
WEATHERFORD LAMB144 citations98
US7874352B2Jan 25, 2011
Apparatus for gripping a tubular on a drilling rig
WEATHERFORD LAMB80 citations97
US7513300B2Apr 7, 2009
Casing running and drilling system
WEATHERFORD LAMB75 citations97
US7191840B2Mar 20, 2007
Casing running and drilling system
WEATHERFORD LAMB100 citations97
US7140445B2Nov 28, 2006
Method and apparatus for drilling with casing
WEATHERFORD LAMB97 citations97
US7617866B2Nov 17, 2009
Methods and apparatus for connecting tubulars using a top drive
WEATHERFORD LAMB48 citations96
US7353880B2Apr 8, 2008
Method and apparatus for connecting tubulars using a top drive
WEATHERFORD LAMB54 citations96
US6748823B2Jun 15, 2004
Apparatus and method for aligning tubulars
WEATHERFORD LAMB53 citations96
US6695559B1Feb 24, 2004
Apparatus for delivering a tubular to a wellbore
WEATHERFORD LAMB65 citations96
US6327938B1Dec 11, 2001
Jaw unit for use in a power tong
WEATHERFORD LAMB55 citations96
US6138529AOct 31, 2000
Apparatus for gripping a tubular member
WEATHERFORD LAMB74 citations96
US5390568AFeb 21, 1995
Automatic torque wrenching machine
WEATHERFORD LAMB86 citations96
US5167173ADec 1, 1992
Tong
WEATHERFORD LAMB59 citations96
US5161438ANov 10, 1992
Power tong
WEATHERFORD LAMB71 citations96
US5159860ANov 3, 1992
Rotary for a power tong
WEATHERFORD LAMB52 citations96
US6814149B2Nov 9, 2004
Apparatus and method for positioning a tubular relative to a tong
WEATHERFORD LAMB95 citations95
US6745646B1Jun 8, 2004
Apparatus and method for facilitating the connection of pipes
WEATHERFORD LAMB54 citations95
US5730471AMar 24, 1998
Apparatus for gripping a pipe
WEATHERFORD LAMB88 citations95
US7028585B2Apr 18, 2006
Wrenching tong
WEATHERFORD LAMB82 citations94
US8776898B2Jul 15, 2014
Apparatus and methods for wedge lock prevention
WEATHERFORD LAMB29 citations93
US8708055B2Apr 29, 2014
Apparatus and methods for wedge lock prevention
WEATHERFORD LAMB29 citations93
US7707914B2May 4, 2010
Apparatus and methods for connecting tubulars
WEATHERFORD LAMB36 citations93
US7669662B2Mar 2, 2010
Casing feeder
WEATHERFORD LAMB41 citations93
US7665531B2Feb 23, 2010
Apparatus for facilitating the connection of tubulars using a top drive
WEATHERFORD LAMB38 citations93
US7552775B2Jun 30, 2009
Tailing in and stabbing device and method
WEATHERFORD LAMB27 citations93
US7967073B2Jun 28, 2011
Control line running system
WEATHERFORD LAMB12 citations92
US7086461B2Aug 8, 2006
Combined grip control of elevator and spider slips
WEATHERFORD LAMB32 citations92
US6684737B1Feb 3, 2004
Power tong
WEATHERFORD LAMB26 citations92
US8356675B2Jan 22, 2013
Apparatus and methods for tubular makeup interlock
WEATHERFORD LAMB19 citations90
US7861618B2Jan 4, 2011
Wrenching tong
WEATHERFORD LAMB14 citations90
US8047283B2Nov 1, 2011
Torque sub for use with top drive
WEATHERFORD LAMB7 citations84
PIETRAS BERND-GEORG
3 patentsJAHN MICHAEL
1 patentSHAHIN DAVID
1 patentShowing the top 50 of 64 patents by PatentIndex Score.