Inventor · disambiguated record
Jan D. Holt
Also filed as: HOLT JAN D
14 granted patents·273 citations·filing 1974–1991
93Inventor score
Top patents by PatentIndex Score
14 records- 0192US4242966ARailway car truck transom including a tubular bearing assemblyACF IND INC·Filed 1979·Granted Jan 6, 1981·69 cites·9 claims
- 0284US4108080ARailway car truck and side bearing assemblyACF IND INC·Filed 1976·Granted Aug 22, 1978·38 cites·4 claims
- 0376US4082043AFabricated railway car truckACF IND INC·Filed 1974·Granted Apr 4, 1978·25 cites·13 claims
- 0476US4030424ARigid railway car truckACF IND INC·Filed 1975·Granted Jun 21, 1977·37 cites·21 claims
- 0568US5139374ATrailer sensor for railroad hitchACF IND INC·Filed 1991·Granted Aug 18, 1992·30 cites·15 claims
- 0656US4221397ATrailer hitch head having jaws which bear all of the kingpin wearACF IND INC·Filed 1979·Granted Sep 9, 1980·12 cites·9 claims
- 0748US5059072ACushioned retractable hitch for railway carsACF IND INC·Filed 1990·Granted Oct 22, 1991·13 cites·9 claims
- 0848US5015131AHitch retarderACE IND INC·Filed 1989·Granted May 14, 1991·12 cites·21 claims
- 0943US4103624ARailway car truck side bearingsACF IND INC·Filed 1976·Granted Aug 1, 1978·7 cites·2 claims
- 1039US5004386AProtective cover for railcar hitchACF IND INC·Filed 1989·Granted Apr 2, 1991·7 cites·11 claims
- 1139US4723879AElastomeric trailer hitch cushion for railway carACF IND INC·Filed 1986·Granted Feb 9, 1988·10 cites·5 claims
- 1236US4618295APlenum chamber flow restrictor and check valveACF IND INC·Filed 1984·Granted Oct 21, 1986·8 cites·2 claims
- 1333US5076539ATank car botton valveACF IND INC·Filed 1991·Granted Dec 31, 1991·5 cites·12 claims
- 1425USD252870SRailway car truckACF IND INCORPORATED·Filed 1977·Granted Sep 11, 1979·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →