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HARRIS ETAL SUCKER ROD GUIDES
Filed: February 26th, 1963 [Granted]
Patent Number: 3186773
June 1, 1965 Filed Feb. 26, 1963 GH HARRIS ETAL SUCKER ROD GUIDES 3186773 2 Sheets-Sheet 1 FIG. VI. FIG. VII. GLEN H. HARRIS DONALD E. SABLE INVENTORS ...
Assembly of hollow torque transmitting sucker rods
Filed: September 26th, 2002 [Pending]
Assignee: SIDERCA S A I C
Patent Application Number: 10254500
A pumping rod assembly or sucker rod string is significantly distinguished ... The 1990 patent to Pfeiffer et al, and the 1996 patent to Carstensen et al, ...
Sucker rod guide
Filed: May 2nd, 1984 [Granted]
Patent Number: 4779678
2198720 50 issued to Edgecomb et al. This patent shows an elongated cylindrical device for attachment at its upper and lower end to a string of sucker rods.
Hollow sucker rod connection with second torque shoulder
Filed: January 31st, 2006 [Pending]
Patent Application Number: 11342526
The hollow sucker rod and connecting element are dimensioned to obtain high ... The 1990 patent to Pfeiffer et al, and the 1996 patent to Carstensen et al, ...
Sucker rod coupling with protective coating
Filed: January 12th, 1989 [Granted]
Assignee: ICO Inc
Patent Number: 4905760
If the hydrourethane jacket is not correctly bonded to the sucker rod ... Stephens et al 319144 Bahr 1134092 Gray et al 1703232 Nathan et al 2016905 Crake ...
End fitting and coupling system for sucker rods
Filed: April 8th, 1986 [Granted]
Patent Number: 4740101
4249831 PRIDY et al. US Pat. No. 4329124 PETTERSON et al. US Pat. No. 4497866 CARSLON discloses coupling sections of steel cable into a sucker rod string.
Flexible sucker rod unit
Filed: June 14th, 1985 [Granted]
Assignee: Allen and Bennett Inc
Patent Number: 4640349
The following patents were found on that search: KINNY discloses a sucker rod coupling having a bearing made of stellite. PARAMORE ET AL., SABLE, JEVNING, ...
Torque-turn system for a three-element sucker rod joint
Filed: June 29th, 1999 [Granted]
Patent Number: 6212763
The tool system engages two sucker rods that are at least ... 4091451 5/1978 Weiner et al. . 4106176 * 8/1978 Rice et al. . 4176436 12/1979 McCombs et al.
