Inventor · disambiguated record
Steven L. Jantzen
Also filed as: JANTZEN STEVEN L
16 granted patents·314 citations·filing 1976–1997
94Inventor score
Top patents by PatentIndex Score
16 records- 0196US4039115AApparatus for obtaining abutting contact of hollow tank courses to be circumferentially weldedACF IND INC·Filed 1976·Granted Aug 2, 1977·72 cites·16 claims
- 0292US4081651AApparatus method for welding tank sectionsACF IND INC·Filed 1976·Granted Mar 28, 1978·50 cites·24 claims
- 0390US4368927AHand brake release apparatusACF IND INC·Filed 1981·Granted Jan 18, 1983·34 cites·15 claims
- 0488US4504047AScissor support for welding tank sectionsACF IND INC·Filed 1982·Granted Mar 12, 1985·46 cites·21 claims
- 0574US4025034AFlux backup arrangement for circumferential weldingACF IND INC·Filed 1976·Granted May 24, 1977·21 cites·10 claims
- 0667US4812113AMold assembly for pre-stressed concrete railroad tiesJANTZEN STEVEN L·Filed 1987·Granted Mar 14, 1989·24 cites·6 claims
- 0751US4690071ATruss end structure for stub sill hopper carsACF IND INC·Filed 1986·Granted Sep 1, 1987·13 cites·6 claims
- 0851US4368928AInertial hand brake release apparatusACF IND INC·Filed 1981·Granted Jan 18, 1983·12 cites·10 claims
- 0950US4696238AEnd structure for railway carACF IND INC·Filed 1985·Granted Sep 29, 1987·11 cites·13 claims
- 1044US4353311ARailway car center plate assemblyACF IND INC·Filed 1980·Granted Oct 12, 1982·8 cites·12 claims
- 1135US6116679ACurtain side truck body and/or trailer side rail-to-post connectionFiled 1997·Granted Sep 12, 2000·7 cites·20 claims
- 1235US4773840AManufacture of pre-stressed concrete railroad tiesJANTZEN STEVEN L·Filed 1987·Granted Sep 27, 1988·5 cites·7 claims
- 1334US4206709AHopper car for liquid unit-train serviceACF IND INC·Filed 1978·Granted Jun 10, 1980·3 cites·6 claims
- 1430US4781875AManufacture of pre-stressed concrete railroad tiesJANTZEN STEVEN L·Filed 1986·Granted Nov 1, 1988·4 cites·2 claims
- 1530US4353310ACushioned railway car center plate assemblyACF IND INC·Filed 1980·Granted Oct 12, 1982·1 cites·15 claims
- 1625US4712735APrestressed concrete cross tie having increased fatigue lifeJANTZEN STEVE L·Filed 1986·Granted Dec 15, 1987·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →