Inventor · disambiguated record
Alvin J. Matthews
Also filed as: MATTHEWS ALVIN J
6 granted patents·47 citations·filing 1990–1993
81Inventor score
Files withWESTINGHOUSE AIR BRAKE CO6
Top patents by PatentIndex Score
6 records- 0146US5283936AApparatus for removing press fit pinsWESTINGHOUSE AIR BRAKE CO·Filed 1993·Granted Feb 8, 1994·16 cites·6 claims
- 0241US5249360AMethod of reconditioning valvesWESTINGHOUSE AIR BRAKE CO·Filed 1993·Granted Oct 5, 1993·10 cites·11 claims
- 0338US5129145AValve reconditioning processWESTINGHOUSE AIR BRAKE CO·Filed 1991·Granted Jul 14, 1992·10 cites·19 claims
- 0435US5211451AAdjustable regulating device for a railway locomotive brake valve apparatusWESTINGHOUSE AIR BRAKE CO·Filed 1992·Granted May 18, 1993·5 cites·11 claims
- 0526US5246502AMethod of cleaning valve bushingsWESTINGHOUSE AIR BRAKE CO·Filed 1992·Granted Sep 21, 1993·4 cites·6 claims
- 0623US5146939AValve bushing cleaning device and method of cleaning valve bushingsWESTINGHOUSE AIR BRAKE CO·Filed 1990·Granted Sep 15, 1992·2 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →