Inventor · disambiguated record
Allan S. Johnson
Also filed as: JOHNSON ALLAN S
26 granted patents·1 pending application·408 citations·filing 1974–2011
97Inventor score
Files withTAPMATIC CORP19JOHNSON ALLAN S3JOHNSON MARK F2TAPMATIC INC1TAPMATIC INTERNATIONAL CORP TI1
Top patents by PatentIndex Score
27 records- 0184US5271697ATap and quick change tap holder assemblyTAPMATIC INTERNATIONAL CORP TI·Filed 1992·Granted Dec 21, 1993·62 cites·7 claims
- 0284US5011344APositive drive adapterTAPMATIC CORP·Filed 1990·Granted Apr 30, 1991·51 cites·4 claims
- 0383US4014421AClutching means adapted for use in tapping attachmentsTAPMATIC CORP·Filed 1975·Granted Mar 29, 1977·30 cites·13 claims
- 0480US7708506B2Self-synchronizing tap driver for rigid tapping with starting force adjustmentTAPMATIC CORP·Filed 2005·Granted May 4, 2010·11 cites·10 claims
- 0580US3999642AClutching means adapted for use in tapping attachmentsTAPMATIC CORP·Filed 1975·Granted Dec 28, 1976·25 cites·6 claims
- 0674US8550755B2Tap driver for rigid/synchronous tappingJOHNSON MARK F·Filed 2011·Granted Oct 8, 2013·4 cites·9 claims
- 0772US3946844AClutching means adapted for tapping attachmentsTAPMATIC CORP·Filed 1974·Granted Mar 30, 1976·21 cites·13 claims
- 0871US4002348ASafety release device useful in tapping attachmentsTAPMATIC CORP·Filed 1975·Granted Jan 11, 1977·24 cites·3 claims
- 0970US7707731B2Marking device for rotational machinesTAPMATIC CORP·Filed 2008·Granted May 4, 2010·4 cites·5 claims
- 1070US6569022B2Self-synchronizing tap driver for rigid tappingTAPMATIC INC·Filed 2001·Granted May 27, 2003·15 cites·10 claims
- 1167US6348003B1Self-synchronizing tap driver for rigid tappingTAPMATIC CORP·Filed 2000·Granted Feb 19, 2002·10 cites·10 claims
- 1266US9539646B2Self-synchronizing tap driver for rigid/synchronous tapping with adjustable tension and/or compressionJOHNSON MARK F·Filed 2011·Granted Jan 10, 2017·2 cites·16 claims
- 1366US3945751AUniversal floating tool holderJOHNSON ALLAN S·Filed 1974·Granted Mar 23, 1976·18 cites·3 claims
- 1464US4832542AClutching means adapted for tapping attachmentTAPMATIC CORP·Filed 1987·Granted May 23, 1989·21 cites·9 claims
- 1562US4029429ABall drive non-reversing tapping attachmentJOHNSON ALLAN S·Filed 1976·Granted Jun 14, 1977·13 cites·6 claims
- 1660US5203651ATapping attachmentsTAPMATIC CORP·Filed 1991·Granted Apr 20, 1993·19 cites·14 claims
- 1753US4531865ATapping attachment adapted for numerical computer controlTAPMATIC CORP·Filed 1982·Granted Jul 30, 1985·12 cites·3 claims
- 1849US5865575ASelf-reversing tapping attachment with shock absorptionTAPMATIC CORP·Filed 1996·Granted Feb 2, 1999·15 cites·25 claims
- 1947US8162573B2Self-reversing tapping systemJOHNSON ALLAN S·Filed 2004·Granted Apr 24, 2012·2 cites·5 claims
- 2044US2004100024A1Golf clubhead to shaft coupling systemFiled 2002·Application pending·0 cites
- 2143US4722643ATapping attachment adapted for numerical computer controlTAPMATIC CORP·Filed 1985·Granted Feb 2, 1988·8 cites·6 claims
- 2242US4566829ATapping attachment and indexing mechanism thereforTAPMATIC CORP·Filed 1985·Granted Jan 28, 1986·8 cites·11 claims
- 2341US5209616ADrive in tapping attachmentsTAPMATIC CORP·Filed 1991·Granted May 11, 1993·8 cites·10 claims
- 2440US5628593AReadily disassembleable tapping attachment with quick change replaceable and maintainable parts and methodTAPMATIC CORP·Filed 1994·Granted May 13, 1997·7 cites·29 claims
- 2539US5358362ATapping attachment for radial tappingTAPMATIC CORP·Filed 1993·Granted Oct 25, 1994·7 cites·17 claims
- 2639US4067424ARemovable tool holder with improved built in torque release clutchTAPMATIC CORP·Filed 1976·Granted Jan 10, 1978·5 cites·10 claims
- 2737US5131794ADog drive for tapping attachmentsTAPMATIC CORP·Filed 1991·Granted Jul 21, 1992·6 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →