| Patents for B23G 9 - Working screws, bolt heads or nuts in conjunction with thread cutting, e.g. slotting screw heads or shanks, removing burrs from screw heads or shanks; Finishing, e.g. polishing, any screw thread (428) |
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| 10/21/1999 | CA2328161A1 Process for manufacturing a captive screw |
| 07/15/1999 | WO1999035419A1 Feed screw and method of manufacturing the same |
| 07/08/1999 | DE19800823A1 Pipe thread cleaner |
| 06/08/1999 | US5910052 Process for manufacturing a captive screw |
| 05/25/1999 | US5906537 Machine for grinding flutes on threaded pin blanks |
| 05/20/1999 | WO1999024201A1 A method and device for machining a through bore |
| 05/19/1999 | EP0892691A4 Method and tool for repairing damaged threads |
| 05/14/1999 | WO1999022891A1 Fastener forming machine |
| 02/10/1999 | CN2306859Y Multifunctional blade for removing rag |
| 02/03/1999 | CN2306098Y Tower nut slotting machine |
| 01/27/1999 | EP0892691A1 Method and tool for repairing damaged threads |
| 12/23/1998 | EP0755309B1 Cleaning device for bolts or threads |
| 12/09/1998 | EP0882523A2 Cleaning device |
| 12/01/1998 | US5842924 Thread repairing tool |
| 11/18/1998 | CN2297270Y Press polish cutter for fin finishing screw thread |
| 10/08/1998 | WO1998043770A1 Method for removing thread burr by definite linear feeding |
| 10/08/1998 | WO1998043769A1 Method for removing thread burr by cross compound feeding |
| 09/08/1998 | US5803676 Method and tool for repairing damaged threads |
| 04/30/1998 | WO1998017441A1 Sprinkler tool |
| 04/30/1998 | CA2269036A1 Sprinkler tool |
| 02/17/1998 | US5718636 Rethreader tool |
| 02/10/1998 | US5716280 Method for forming a fluted fastener |
| 11/26/1997 | CN1165721A Method for side cutting off thread burr |
| 11/26/1997 | CN1165720A Method for top cutting off thread burr |
| 10/16/1997 | WO1997037781A1 Cleaning equipment with screw-thread-type adjustment device |
| 10/09/1997 | DE19645213A1 Reinigungsvorrichtung mit Winchesterverstellung Cleaning device with Winchester adjustment |
| 09/25/1997 | WO1997034725A1 Method and tool for repairing damaged threads |
| 07/30/1997 | EP0764252A4 Fluid coupling assembly and method of forming same |
| 05/02/1997 | EP0770453A2 Five spindle fluting machine |
| 03/26/1997 | EP0764252A1 Fluid coupling assembly and method of forming same |
| 01/29/1997 | EP0755309A1 Driving unit for cleaning accessory |
| 09/18/1996 | EP0732155A1 Guided brushes on a portable thread-cleaning apparatus |
| 08/20/1996 | US5547229 Fluid coupling assembly |
| 06/26/1996 | EP0717666A1 Continuously adjustable brush carrier |
| 04/16/1996 | US5507694 Pass-over tapping apparatus |
| 02/22/1996 | DE19514344A1 Drive unit for cleaning accessory |
| 01/18/1996 | DE19516689C1 Tool for re=cutting damaged bolt threads |
| 11/23/1995 | WO1995031667A1 Fluid coupling assembly and method of forming same |
| 11/23/1995 | CA2189763A1 Fluid coupling assembly and method of forming same |
| 10/26/1995 | WO1995028237A1 Driving unit for cleaning accessory |
| 03/29/1995 | CN1100679A Overruning thread tap |
| 03/16/1995 | WO1995007151A1 Continuously adjustable brush carrier |
| 03/16/1995 | DE4413036A1 Drive unit for cleaning adapter |
| 09/15/1994 | DE3390141C2 Device for the final machining of a convolution, cut in a cylindrical piece, by finish rolling |
| 09/01/1994 | DE4304583A1 Thread-cutting taping device |
| 08/17/1994 | CA2115727A1 Pass-over tapping apparatus |
| 05/03/1994 | US5307550 Apparatus for repairing lower units |
| 02/22/1994 | US5288181 Rethreading tool |
| 01/25/1994 | US5281059 Tool for repairing damaged threads in a blind hole |
| 11/09/1993 | US5259706 Thread repairing tools |
| 10/26/1993 | US5255423 Process for installing a helical added thread in an internally threaded orifice for repairing the internal threads of the orifice |
| 07/22/1993 | WO1993013890A1 Bent shank nut tapping method and apparatus |
| 07/06/1993 | US5224900 Bolt and screw repairing tool |
| 04/13/1993 | US5201686 Process and apparatus for producing a lock nut |
| 04/06/1993 | US5199927 Bent shank nut tapping method and apparatus |
| 03/09/1993 | CA1314116C Screw-thread repair tool |
| 11/18/1992 | CN2122028U Bolt and screw repairing device |
| 06/04/1992 | DE4037944A1 Hand working and/or cleaning device for inner or outer threads - has brush elements rotated by motor drive and freely rotatable tubular body in housing |
| 04/22/1992 | CN1060425A Process and device for installing helical added thread in internally threaded orifice of large diameter and use of this process and of this device |
| 04/15/1992 | EP0480781A1 Method and tool for installing a threaded insert |
| 10/29/1991 | US5060330 Screw-thread repair tool |
| 10/02/1991 | CN2085686U Anti-theft special screw bolt and spanner |
| 03/28/1991 | DE3930841A1 Tool for repairing damaged external threads - has housing with radially adjustable tool-bits which deform thread back to original form |
| 01/29/1991 | US4988816 Novel 3-acetoxymethyl-7-(iminoacetamido)-cephalosporanic acid derivatives |
| 07/31/1990 | CA1272006A1 Method and apparatus for making screws having a drill section and a reamer section |
| 07/24/1990 | US4942752 Apparatus for reforming and restoring the surface of a cylindrical workpiece manually |
| 12/22/1989 | EP0312538A4 A rethreading tool. |
| 10/25/1989 | EP0338143A1 Apparatus for cleaning a screw-jack type support device |
| 04/26/1989 | EP0313279A2 Screw-thread repair tool |
| 04/26/1989 | EP0312538A1 A rethreading tool |
| 04/04/1989 | CA1251962A1 Threaded fastener having minimized length and weight and method to make it |
| 12/21/1988 | CN87212816U Auto-processing machine tool for bar-hood |
| 07/27/1988 | EP0275557A2 Thread-cutting device for nuts |
| 02/09/1988 | CA1232416A1 Drill point milling machine and method |
| 02/02/1988 | US4722107 Methods and apparatus for making screws having a drill section and a reamer section |
| 01/14/1988 | WO1988000103A1 A rethreading tool |
| 11/17/1987 | US4706483 Method and device for finishing by burnishing of a helical thread cut on a cylindrical component |
| 07/14/1987 | US4679690 Fastener orienting, tapping and collection system |
| 04/14/1987 | US4656723 Method of forming screw thread on crankshaft and the like |
| 01/21/1987 | EP0209305A2 Method and apparatus for making screws having a drill section and a reamer section |
| 08/05/1986 | US4603463 In situ repair of a failed compression fitting |
| 01/21/1986 | US4565475 Drill point milling machine and method |
| 08/06/1985 | US4532664 In a continuous motion machine for orienting nuts |
| 12/04/1984 | US4485510 Threaded fastener having minimized length and weight and method to make it |
| 10/16/1984 | US4476599 Fastener orienting, tapping and collection system |
| 10/10/1984 | EP0121333A2 Manufacture of drill screws |
| 06/13/1984 | EP0110863A1 Device for working the profile root of threads |
| 05/23/1984 | EP0109378A1 Device for working the profile root of threads |
| 02/16/1984 | WO1984000511A1 Method and device for the finishing by roller burnishing of a helical thread cut on a cylindrical part |
| 10/11/1983 | US4408363 Thread conditioning device |
| 10/11/1983 | CA1154902A1 Prosthetic implant device |
| 06/21/1983 | US4389145 Method of tapping dual thread fasteners |
| 05/17/1983 | CA1146307A1 Pointing machine for pinch pointing screw blanks |
| 03/15/1983 | US4376603 Deburring machines for shop and screw machine parts |
| 03/08/1983 | US4376203 Novel 3-acetoxymethyl-7-(iminoacetamido)-cephalosporanic acid derivatives |
| 10/26/1982 | US4355430 Pointing machine |
| 08/31/1982 | US4346491 Thread repair tool |
| 07/13/1982 | US4338694 Fastener orienting, tapping and collection system |
| 05/11/1982 | CA1123162A1 Adjustable shank slot dial |
| 12/22/1981 | US4306324 Machine for slotting the heads of bolts having hexagonal heads |