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| Patents for B27C 3 - Drilling machines or drilling devices; Equipment therefor (720) |
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| 03/24/1987 | CA1219474A1 Piercer | | 03/19/1987 | DE3531988A1 Drilling machine | | 01/27/1987 | US4639171 Dowel hole drilling machine | | 11/05/1986 | CN85205448U Multipurpose miniature electrical mortise chisel for joiner | | 09/02/1986 | US4609310 Drilling machine | | 07/29/1986 | US4602898 For holding two workpieces together | | 06/18/1986 | EP0184642A1 Process for the production of plate-like work pieces with bore holes, especially of wood or similar material, and an apparatus for carrying out the process | | 04/22/1986 | US4583889 Jig for locating drilling holes in wood panels | | 09/18/1985 | EP0154790A1 Drilling machine for the manufacture of furniture | | 06/26/1985 | EP0146417A1 Device for locating bore holes in wooden panels | | 06/12/1985 | EP0143871A1 Boring jig for dowel holes | | 12/04/1984 | US4485860 Forming a cylindrically shaped hole in a laminated wooden beam | | 04/11/1984 | EP0105223A1 Machine for drilling and inserting furniture mountings into panels | | 12/06/1983 | US4419031 Apparatus and method for drilling dowel holes | | 02/15/1983 | CA1141201A1 Drilling tool | | 05/20/1980 | CA1077749A1 Tie drill | | 12/04/1979 | US4176989 Auxiliary device for boring of dowel holes in boards | | 11/20/1979 | US4174917 Doweling guide | | 09/13/1977 | US4048353 Method of drilling and injecting perservative fluid into railway ties | | 07/05/1977 | US4033703 Drill bit for coupling to a wire fishing adapter |
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