이 특허에 인용된 특허 (58)

1. Engel Douglas A. (2935 W. Chenango Englewood CO 80110), Adjustable hand wrench.

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2. Sisson Clarence E. (Rte. 2 ; Box 339 Bealeton VA 22712), Adjustable locking plier.

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3. McNatt Stanley L. (5915 Guettermann Ehler Rd. Muldoon TX 78949-5131), Adjustable plier wrench hand tool.

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4. Chung-Hsing Chang (No. 5 ; Chang Ma Street Ma Hsing Village ; Shiow Showi Shi ; Chang Huah TWX), Adjustable spanner.

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5. Huang, Ping Wen, Adjustable wrench.

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6. Chen, Chen-Tsung, Adjustable wrench that clamps a workpiece exactly and tightly.

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7. Mitchell M. Todd, Analog position ratchet mechanism.

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8. Vernon Bouligny, Apparatus for gripping oilfield tubulars without causing damage to such tubulars.

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9. Pearce Richard J. ; Grindstaff William C. ; Madden James D., Apparatus for unscrewing drill pipe sections.

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10. Boyd, James W.; Nelson, Jack W., Automatic breakout wrench with floating gripping dies.

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11. Whisenhunt H. Dewain (Mukwonago WI), Blasthole drill with improved automatic breakout wrench.

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12. Green, Kenneth H., Clamp and repair tool.

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13. Green, Kenneth H., Clamp and repair tool.

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14. Green, Kenneth H., Clamp and repair tool.

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15. Huff Edward R. (Washington IL) Warner Hubert H. (Pekin IL), Clamp assembly.

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16. Cote Kevin L. (Durham NH) Curley Richard D. (North Reading MA), Device for slowing down signatures in a folding machine.

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17. Daigle Odee P. ; Morris James E., Drill pipe handling mechanism.

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18. Mitchhart Ray M. (Dallas TX) Zingl Hans (Dallas TX), Drill pipe handling mechanism.

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19. Patterson, William N., Drill stem guide and wrench apparatus.

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20. Lee Douglas W. (Wichita KS), Drilling rig breakout wrench system.

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21. Belik,Jaroslav, Drillpipe spinner.

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22. Daniels,Joseph, Dual-headed ratcheting basin wrench.

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23. Donaldson ; Jr. Robert D. (Dallas TX), Friction clutch wrench.

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24. Bouligny ; Jr. Vernon J. (New Iberia LA) Webre Charles M. (Lafayette LA), Friction grip for tubular goods.

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25. Bangert, Daniel S., Granular particle gripping surface.

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26. Bangert,Daniel S., Granular particle gripping surface.

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27. Daniel S. Bangert, Granular particle gripping surface.

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28. Arzenti Thomas E. (Munhall PA) Pirl William E. (Penn Township ; Westmoreland County PA), Gripper assembly.

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29. Wesch ; Jr. William E., Gripping apparatus for power tongs and backup tools.

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30. Cook Jesse James, Lightweight angular tool extending apparatus and light.

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31. Prieto, Jimmy, Mounting clamp.

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32. Wang, Ching-Shu, Open end wrench.

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33. Gamble Bruce H., Open ended rachet wrench.

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34. Stanton John L., Open-end ratchet wrench.

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35. Miller, Bradley J.; Mabon, Roland, Patterned abrasive tools.

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36. Swan William C. (5940 Lindley Ave. Encino CA 91316) Kastan Howard (3085 Twin Oaks Rd. Cameron Park CA 95682), Positive action basin wrench.

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37. Richardson, Allan Stewart, Power tong.

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38. Coyle ; Sr. William E. (Houma LA) Penisson Dennis J. (Raceland LA), Power tongs with hydraulic friction grip for speciality tubing.

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39. Shih-Kuei Hsieh TW, Push bar-typed ratchet wrench with high torque strength.

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40. Kindling Oscar (P.O. Box 2574 Calexico CA 92231), Quick adjust wrench.

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41. Yokoyama Takashi,JPX ; Yamakado Akihiro,JPX, Ratchet wrench.

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42. Pradelski,William W., Ratchetable open-ended wrench.

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43. Janson Paul M., Ratcheting adjustable jaw wrench and method of use.

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44. Kolodziej Edward (5445 S. Alameda Corpus Christi TX 78412), Ratcheting open end wrench.

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45. Buck,David A., Rotatable die tong jaw.

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46. Hirse Gernot,DEX, Self-locking chuck key.

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47. McCann, Frank, Speed wrench having a stable biasing structure.

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48. Evans, Fraser, System for bracing disabled trailers, clamp therefor and method.

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49. Schaar Bernard (Sherman TX), Toggled breakout wrench.

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50. Wilson Alexander J.,GB6 ; Hardie Neil,GB6 ; Cruickshank Kenneth,GB6 ; Dent Ronald,GB6, Torque machines.

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51. Buchanan, Nigel, Wrench.

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52. Buchanan,Nigel Alexander, Wrench.

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53. Zareh Khachatoorain, Wrench.

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54. Hamilton William R. (Georgetown TX) Schulz Karl A. (Round Rock TX), Wrench assembly for a top drive sub.

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55. Gouws, Petrus Christiaan, Wrench for use with drilling apparatus.

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56. McCann Frank,TWX, Wrench having a spring biased jaw.

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57. Putney,Gordon A.; Eggert,Daniel M., Wrench with flexible ring.

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58. Pietras,Bernd Georg; Carlsson,Andreas; Schulze Beckinhausen,Jorg Erich, Wrenching tong.

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