Patents for B23B 51 - Tools for drilling machines (12,490)
09/1978
09/19/1978US4115024 Spade drill blade
09/19/1978US4114329 Anchoring arrangement kit
09/19/1978CA1038656A1 Flat beaded double end track bit
09/12/1978US4113405 Apparatus for drilling or reaming
09/12/1978US4113037 Rock drill
09/05/1978US4111270 Drilling assembly
08/1978
08/29/1978CA1037512A1 Tapping t for plastic pipe
08/29/1978CA1037377A1 Chipless shell cutter for large diameter plastic pipe
08/29/1978CA1037298A1 Cutting tool and method for making same
08/29/1978CA1037279A1 Method and arrangement for anchoring an object to a support structure
08/22/1978US4108567 Boring tool
07/1978
07/18/1978US4101238 Hole saw with particle-aspirating accessory for hand drill
07/18/1978US4100983 Boring device
06/1978
06/27/1978US4096672 Anchoring arrangement for securing an object to a support structure having an internal cavity
06/20/1978US4095916 Timed intermittent air propelled liquid coolant system for machine tools
06/06/1978US4093395 Drill and combined drill countersink
06/06/1978US4092753 Combination drill and screwdriver
05/1978
05/30/1978US4092083 Gun drill
05/30/1978US4091882 Drilling tool
05/23/1978US4090804 Circular drill with centering device
05/09/1978US4088417 Method and apparatus for high speed, high precision drilling and machining
05/02/1978US4087193 Cutting tool with chip breaker
04/1978
04/25/1978US4086018 Deburring tool
04/11/1978US4083351 Fluted diamond drill
03/1978
03/21/1978US4080093 Drill for electronic conductor plates
03/14/1978US4078458 Screw extractor
03/07/1978US4077737 Integral hole saw and arbor construction
02/1978
02/28/1978US4076443 Cutting tool assembly
02/28/1978US4075915 Centering apparatus
02/07/1978US4072441 Hole saw
02/07/1978US4072438 Insert type drill and insert therefor
12/1977
12/27/1977US4065224 Twist drills
12/20/1977US4063844 Tapping T for plastic pipe
12/13/1977US4062255 Center turning tool
12/06/1977US4060893 Cutter
11/1977
11/29/1977US4060335 Spade drill
11/15/1977US4058176 Tool and method for drilling a hole with an increased cross-sectional area
11/08/1977US4057357 Chipless shell cutter for large diameter plastic pipe
11/08/1977US4057115 Flexible shaft for a roof drill
10/1977
10/25/1977US4054976 Combined precision boring and burnishing tool
10/11/1977US4053249 Apparatus and method for precision overboring an arcuate, variable diameter bore
09/1977
09/27/1977US4050202 Method and arrangement for anchoring an object to a support structure
09/13/1977US4047830 Drilling tool
09/13/1977US4047826 Drill having indexable replaceable insert tip
08/1977
08/30/1977US4044845 Drilling tool with a two part input unit
08/30/1977US4044512 Method and arrangement for anchoring an object to a support structure
08/30/1977US4044464 Circular cutting device
08/23/1977US4043699 Counterbore tool
08/23/1977US4043698 Drill attachment
07/1977
07/19/1977US4036560 Heavy duty hole saw and arbor assembly
07/12/1977US4035100 Drilling tool with a drilling member and a tool holder input unit
07/05/1977US4033703 Drill bit for coupling to a wire fishing adapter
06/1977
06/28/1977US4032251 Countersinking and deburring tool
06/28/1977US4032250 Reamer construction
05/1977
05/03/1977US4021134 Extrusion die and cutting tool for machining such a die
03/1977
03/08/1977US4010807 Tool for forming a hole for a fastening element
02/1977
02/22/1977US4008976 Cutting tool and method for making same
02/08/1977US4006787 Drilling tool with drill and receiving element
01/1977
01/11/1977US4002214 Drilling tool, especially for hammer drills
01/11/1977US4002092 Compound angle cutting edge and method of using same
12/1976
12/28/1976US3999869 Combination hole saw arbor
12/28/1976US3999620 Core barrel
12/28/1976US3999619 Core barrel
11/1976
11/16/1976US3991454 Flute pieces for engineers tools
09/1976
09/14/1976US3980442 Process for using a combination tool
08/1976
08/31/1976US3977807 Twist drills
08/24/1976US3976387 Hole saw drill and arbor assembly
08/24/1976US3976091 Pipe tapping tool
08/17/1976US3975111 Combination extension and compression tool holder
08/17/1976US3975110 Flat beaded double end track bit
08/17/1976US3975031 Tool mounting device
08/10/1976US3973862 Pilot drill locating means for hole saw assembly
08/10/1976US3973861 Deburring tool
07/1976
07/20/1976US3970407 Rotary cutter
07/20/1976US3970406 Tool holder with misalignment compensating means
06/1976
06/29/1976US3966350 Spade drill
06/29/1976US3966349 Rotating cutter tool
06/15/1976US3963366 Boring tool for working bores of small diameter
06/15/1976US3963365 Drill with indexable inserts
06/08/1976US3961858 Compound angle cutting edge
05/1976
05/04/1976US3954347 Drilling machine
04/1976
04/20/1976US3951020 Centering assemblies for lathes
04/13/1976US3950111 Stud remover
03/1976
03/30/1976US3947143 Printed circuit drill
03/23/1976US3945807 Metal tool
03/16/1976US3944379 Cutting apparatus
03/09/1976US3942905 Trepanning and boring tool
02/1976
02/24/1976US3940214 Drill bit with deburring device
02/17/1976US3938231 Center cutting end mill
02/03/1976US3935763 Machining vulcanized fibre