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1955-03-24 |
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1958-01-09 |
1960-09-13 |
Joseph B Dempsey |
Mine roof bolt installation
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1959-07-07 |
1963-10-29 |
Schucrmann Fritz |
Method of fixing anchor bolts in the drill holes
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DE1126823B
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1960-04-07 |
1962-04-05 |
Bergwerksverband Gmbh |
Verfahren zur Befestigung von Ankern in den sie aufnehmenden Bohrloechern und Anker zur Durchfuehrung des Verfahrens
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1961-01-18 |
1964-12-29 |
Joseph B Dempscy |
Mine roof bolt installation
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1962-02-09 |
1967-05-24 |
Rockgrip Ltd |
Verfahren zum Vergiessen von Gebirgs- und Mauerankern in Bohrloechern
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1963-03-20 |
1900-01-01 |
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1963-07-03 |
1966-12-06 |
Henry L Metz |
Wall repair device
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1965-11-27 |
1967-07-27 |
Bergwerksverband Gmbh |
Verfahren zum Befestigen von Ankerstangen in Bohrloechern, insbesondere bei gebraechem Gebirge
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GB1303723A
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1969-02-10 |
1973-01-17 |
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FR2034130A1
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1969-02-10 |
1970-12-11 |
Celtite Sa |
Method for anchoring support bolts in rocks - etc
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DE7002080U
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1970-01-22 |
1970-06-25 |
Langensiepen Kg M |
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AT315108B
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1972-06-26 |
1974-05-10 |
Gd Anker Gmbh & Co Kg |
Verfahren bzw. Ankerausbau zum Verankern eines Ankerbolzens in einem Bohrloch
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1973-03-09 |
1976-09-13 |
A I Lundkvist |
Perforerat hylsformigt organ for anvendande vid s.k. bergfestning medelst i borrhal ingjuten bult
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1977-09-21 |
1978-06-26 |
Cementa Ab |
Sett vid forankring av element och anordning for utovande av settet
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1978-05-30 |
1979-12-27 |
Fosroc International Ltd |
Anchoring cartridges
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1979-01-26 |
1981-12-15 |
Jack Parker |
Anchoring system for rock bolts
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1984-02-22 |
1987-04-07 |
Lane William L |
Binder-injecting rockbolt
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1984-02-22 |
1986-07-22 |
Lane William L |
Rockbolt
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1984-07-16 |
1986-01-23 |
Hilti Ag, Schaan |
Siebhuelse zur aufnahme von mittels aushaertender massen befestigbaren verankerungselementen
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1986-12-05 |
1991-09-10 |
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1987-12-21 |
1990-06-05 |
Falco Gene A |
Masonry anchor
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1988-02-26 |
1989-04-11 |
Engineered Instruments, Inc. |
Anchor device for securing rock bolts
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DE3812913A1
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1988-04-18 |
1989-10-26 |
Hilti Ag |
Duebel mit siebartiger huelse
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1990-04-06 |
1991-09-24 |
Ingersoll-Rand Company |
Barrier plug for dynamic rock stabilizing fixture
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1990-04-19 |
1991-07-23 |
Ingersoll-Rand Company |
Barrier plug for a bore
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1990-09-26 |
1992-06-10 |
Brian Peter Briscombe |
Bonded wall fixing
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1993-09-14 |
1995-03-16 |
Upat Max Langensiepen Kg |
Verankerungselement zum Befestigen einer Vorsatzschale und Verfahren zum Setzen des Verankerungselementes
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1994-06-13 |
1996-01-16 |
Illinois Tool Works Inc. |
Construction fastener assembly
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1994-09-16 |
1996-09-10 |
Illinois Tool Works Inc. |
Screen for anchoring a fastener to a hollow block with an adhesive
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2003-06-10 |
2005-01-04 |
Simpson Strong-Tie Company, Inc. |
Connection and method for setting a composite anchor with an apertured screen in a substrate
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2017-05-30 |
2020-06-04 |
Epiroc Holdings South Africa (Pty) Ltd. |
Rock bolt with releaseably fixable bung
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