Inventor · disambiguated record
Keith A. Johnson
Also filed as: JOHNSON KEITH · JOHNSON KEITH A · JOHNSON KEITH ALAN
29 granted patents·7 pending applications·262 citations·filing 1977–2024
96Inventor score
Top patents by PatentIndex Score
36 records- 0196US10648051B2Reciprocating cutting blade with claddingSTOFFEL NEAL J·Filed 2016·Granted May 12, 2020·5 cites·23 claims
- 0296USD759126SDisc mower bladeJOHNSON KEITH A·Filed 2015·Granted Jun 14, 2016·20 cites·1 claims
- 0396US8484938B2Drive roller with ribs for the draper canvas of a crop headerCORMIER DANIEL·Filed 2011·Granted Jul 16, 2013·39 cites·12 claims
- 0494US11497171B2Concave with adjustable openingsTHEISEN ANDREW J·Filed 2019·Granted Nov 15, 2022·16 cites·34 claims
- 0590US12016270B2Concave with adjustable openingsTHEISEN ANDREW J·Filed 2022·Granted Jun 25, 2024·1 cites·31 claims
- 0689US9686911B2Cutting blade with transverse hardened regionsSTOFFEL NEAL J·Filed 2015·Granted Jun 27, 2017·3 cites·35 claims
- 0788US9717176B2Agricultural blades and machine parts with amorphous metal laser claddingSTOFFEL NEAL J·Filed 2015·Granted Aug 1, 2017·6 cites·24 claims
- 0885US12376527B2Concave with adjustable openingsKONDEX CORP·Filed 2024·Granted Aug 5, 2025·0 cites·21 claims
- 0985US8662132B2Roller with raised elements clad on the surface for driving a crop conveying beltMACDON IND LTD·Filed 2013·Granted Mar 4, 2014·10 cites·15 claims
- 1084US4578031ADimensionally stable movable furnace hearthMIDLAND ROSS CORP·Filed 1984·Granted Mar 25, 1986·22 cites·18 claims
- 1182US11510362B2Channel knifebackJOHNSON KEITH A·Filed 2020·Granted Nov 29, 2022·1 cites·34 claims
- 1280US8662131B2Method for conveying crop on a crop conveying belt drive by a roller with raised elements clad on the surfaceMACDON IND LTD·Filed 2013·Granted Mar 4, 2014·8 cites·17 claims
- 1375USD767639SSugar cane harvester base cutter knifeJOHNSON KEITH A·Filed 2015·Granted Sep 27, 2016·17 cites·1 claims
- 1471US9992930B2Slicing disc mower knivesSTOFFEL NEAL J·Filed 2015·Granted Jun 12, 2018·3 cites·2 claims
- 1570US10462963B2Laser clad cutting edge for agricultural cutting componentsSTOFFEL NEAL J·Filed 2016·Granted Nov 5, 2019·4 cites·22 claims
- 1670USD476686SPaper fastenerJOHNSON KEITH·Filed 2002·Granted Jul 1, 2003·17 cites·1 claims
- 1767US9565803B2Machine part with laser cladding and methodJOHNSON KEITH A·Filed 2014·Granted Feb 14, 2017·1 cites·25 claims
- 1865USD768727SCorn header chopper knifeJOHNSON KEITH A·Filed 2015·Granted Oct 11, 2016·11 cites·1 claims
- 1965US5870974AAnimal anchorFiled 1997·Granted Feb 16, 1999·24 cites·6 claims
- 2064US8371096B2Sickle bar assemblyKONDEX CORP·Filed 2011·Granted Feb 12, 2013·5 cites·16 claims
- 2164US2023233725A1A-roma-matJOHNSON KEITH·Filed 2022·Application pending·0 cites
- 2263US9044820B2Auger with laser cladding and/or laser heat treatment and methodJOHNSON KEITH A·Filed 2013·Granted Jun 2, 2015·3 cites·40 claims
- 2358US2022333222A1Fatigue improved harvester component via laser shock peeningPLACEK CASEY·Filed 2022·Application pending·0 cites
- 2456US11987889B2Boring bit component with hard face wear resistance material with subsequent heat treatmentJOHNSON KEITH A·Filed 2020·Granted May 21, 2024·0 cites·27 claims
- 2556US4870878AApparatus and method for removing a slug of insulation along a length of insulated wireMECHTRIX CORP·Filed 1988·Granted Oct 3, 1989·17 cites·39 claims
- 2651US2010074881A1Multiple nebulizer systemsPARION SCIENCES INC·Filed 2009·Application pending·0 cites
- 2748US9205984B2Drive roller for baler or other equipmentMOON SCOTT W·Filed 2013·Granted Dec 8, 2015·2 cites·25 claims
- 2848US4282828AShower vaccination apparatusTAVOLEK INC·Filed 1980·Granted Aug 11, 1981·12 cites·11 claims
- 2947US10206331B2Cutting blade with hardened regionsSTOFFEL NEAL J·Filed 2017·Granted Feb 19, 2019·0 cites·25 claims
- 3046US2013111863A1Disc Mower BladesKONDEX CORP·Filed 2012·Application pending·0 cites
- 3146US2018223435A1Disk blade with hard face and seed disk opener incorporating sameJOHNSON KEITH A·Filed 2018·Application pending·0 cites
- 3244US2015082764A1Laser hardened knife guardJOHNSON KEITH A·Filed 2013·Application pending·0 cites
- 3343US12146369B2Boring bit or other bit with hard face wear resistance materialJOHNSON KEITH A·Filed 2020·Granted Nov 19, 2024·0 cites·30 claims
- 3443US2013233145A1Laser Clad Cutting Edge for Agricultural Cutting ComponentsSOTELO JUAN G·Filed 2013·Application pending·0 cites
- 3539US4961357AConveyor mounted precision wire stripping machineMECHTRIX CORP·Filed 1989·Granted Oct 9, 1990·7 cites·54 claims
- 3633US4132394AFurnacesACE FURNACES LTD·Filed 1977·Granted Jan 2, 1979·8 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →