directly by air, steam, or gas pressure

Patents Grantslast 30 patents

  • Information Patent Grant

    Valve device for a percussion device and a percussion device for a...

    • Patent number 7,896,100
    • Issue date Mar 1, 2011
    • Atlas Copco Rock Drills AB
    • Kurt Andersson
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Damping device for a percussion rock drilling machine

    • Patent number 4,871,035
    • Issue date Oct 3, 1989
    • Atlas Copco Aktiebolag
    • Berndt Ekwall
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Percussive tool

    • Patent number 4,819,542
    • Issue date Apr 11, 1989
    • Spetsialnoe Konstruktorskoe Bjuro Gidroimpulsnoi Tekhniki Sibirskogo Otdeleni...
    • Petr Y. Fadeev
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hammer drill

    • Patent number 4,690,226
    • Issue date Sep 1, 1987
    • Metabowerke GmbH & Co.
    • Albrecht Schnizler
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pneumatic motor

    • Patent number 4,467,699
    • Issue date Aug 28, 1984
    • Joy Manufacturing Company
    • Louis H. LeBlanc
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pneumatic motor for rock drills and the like

    • Patent number 4,429,752
    • Issue date Feb 7, 1984
    • Joy Manufacturing Company
    • Edward A. Bailey
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Pneumatic motor

    • Patent number 4,407,390
    • Issue date Oct 4, 1983
    • Joy Manufacturing Company
    • Louis H. Le Blanc
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Pneumatic rock drills

    • Patent number 4,340,121
    • Issue date Jul 20, 1982
    • Joy Manufacturing Company
    • Edward A. Bailey
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Pneumatic impact motor

    • Patent number 4,308,925
    • Issue date Jan 5, 1982
    • Joy Manufacturing Company
    • Louis H. Leblanc
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Impact mechanism

    • Patent number 4,248,133
    • Issue date Feb 3, 1981
    • Vadim D. Petukhov
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Pneumatic rock drill

    • Patent number 4,182,421
    • Issue date Jan 8, 1980
    • Institut Gornogo Dela Akademii Nauk Kazakhskoi SSR
    • Anatoly I. Zubarev
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Air manifold and delivery passageways for rock drill

    • Patent number 3,998,279
    • Issue date Dec 21, 1976
    • Joy Manufacturing Company
    • Edward A. Bailey
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Pneumatic rock drill with peripheral piston clearance space

    • Patent number 3,991,835
    • Issue date Nov 16, 1976
    • Joy Manufacturing Company
    • Edward A. Bailey
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Device for soil sampling under water

    • Patent number 3,948,058
    • Issue date Apr 6, 1976
    • Evgeny Ivanovich Tanov
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3760887

    • Patent number 3,760,887
    • Issue date Sep 25, 1973
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3754396

    • Patent number 3,754,396
    • Issue date Aug 28, 1973
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3684033

    • Patent number 3,684,033
    • Issue date Aug 15, 1972
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3669197

    • Patent number 3,669,197
    • Issue date Jun 13, 1972
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3666025

    • Patent number 3,666,025
    • Issue date May 30, 1972
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3666024

    • Patent number 3,666,024
    • Issue date May 30, 1972
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3659657

    • Patent number 3,659,657
    • Issue date May 2, 1972
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3561542

    • Patent number 3,561,542
    • Issue date Feb 9, 1971
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3431985

    • Patent number 3,431,985
    • Issue date Mar 11, 1969
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3406763

    • Patent number 3,406,763
    • Issue date Oct 22, 1968
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3373825

    • Patent number 3,373,825
    • Issue date Mar 19, 1968
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3181434

    • Patent number 3,181,434
    • Issue date May 4, 1965
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3055647

    • Patent number 3,055,647
    • Issue date Sep 25, 1962
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2678636

    • Patent number 2,678,636
    • Issue date May 18, 1954
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2636254

    • Patent number 2,636,254
    • Issue date Apr 28, 1953
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2608180

    • Patent number 2,608,180
    • Issue date Aug 26, 1952
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents