Inventor · disambiguated record
John A. Krug
Also filed as: KRUG JOHN · KRUG JOHN A · KRUG JOHN A JR · KRUG JOHN A K JR
25 granted patents·735 citations·filing 1977–2001
97Inventor score
Top patents by PatentIndex Score
25 records- 0198USD457949SMultiple chamber infusion pumpFiled 2000·Granted May 28, 2002·108 cites·1 claims
- 0297US4502502AOverpressure safety valveBARD INC C R·Filed 1982·Granted Mar 5, 1985·115 cites·5 claims
- 0390US4671786AOverpressure safety valveBARD INC C R·Filed 1985·Granted Jun 9, 1987·57 cites·4 claims
- 0485US4248160ARailway hatch cover and strap latching assemblyACF IND INC·Filed 1979·Granted Feb 3, 1981·41 cites·18 claims
- 0572US5017065ARetractable railcar hitchACF IND INC·Filed 1989·Granted May 21, 1991·31 cites·18 claims
- 0667US7022107B1Infusion pump with pressure regulatorADVANCED INFUSION INC·Filed 2000·Granted Apr 4, 2006·55 cites·7 claims
- 0767US5159882ARailway car underbody structure and methodACF IND INC·Filed 1991·Granted Nov 3, 1992·33 cites·23 claims
- 0866US4922833AEnd structure for railway carACF IND INC·Filed 1987·Granted May 8, 1990·16 cites·5 claims
- 0962US4875417AEnd structure for railway carACF IND INC·Filed 1987·Granted Oct 24, 1989·14 cites·5 claims
- 1059US6645183B2Catheter with adjustable flow rateADVANCED INFUSION INC·Filed 2001·Granted Nov 11, 2003·25 cites·2 claims
- 1157US5209757AIlluminated ear cleaning deviceKRUG JOHN A·Filed 1991·Granted May 11, 1993·80 cites·1 claims
- 1251US5158022AHatch vent assembly for railroad cars with baffle and screen mesh to prevent entry of contaminantsACF IND INC·Filed 1991·Granted Oct 27, 1992·27 cites·13 claims
- 1350USD342998SIlluminated tongue depressor handleKRUG JOHN A·Filed 1991·Granted Jan 4, 1994·8 cites·1 claims
- 1450US4696238AEnd structure for railway carACF IND INC·Filed 1985·Granted Sep 29, 1987·11 cites·13 claims
- 1549US6569128B1Catheter with adjustable flow restrictorADVANCED INFUSION CORP·Filed 1999·Granted May 27, 2003·61 cites·4 claims
- 1645US5279395ARailway car brake systemACF IND INC·Filed 1992·Granted Jan 18, 1994·13 cites·4 claims
- 1744US4237927AAutomatic air inlet and outlet valve assemblyACF IND INC·Filed 1979·Granted Dec 9, 1980·9 cites·3 claims
- 1841US5076173ALifting hook arrangement for railway tank carACF IND INC·Filed 1990·Granted Dec 31, 1991·9 cites·5 claims
- 1939US4074577ASampling assembly for taking a sample of liquid at a desired level in a tankACF IND INC·Filed 1977·Granted Feb 21, 1978·6 cites·11 claims
- 2037US4239060AAutomatic air inlet and outlet valve assembly having upper chamber openingACF IND INC·Filed 1979·Granted Dec 16, 1980·6 cites·12 claims
- 2136US4189263ASparger outlet having sparger loop valve assemblyACF IND INC·Filed 1978·Granted Feb 19, 1980·6 cites·12 claims
- 2229US4563117ATrailer hitch retainer pin retention apparatusACF IND INC·Filed 1984·Granted Jan 7, 1986·3 cites·4 claims
- 2325USD317277SEnd segment of a railway carACF IND INCORPORATED·Filed 1987·Granted Jun 4, 1991·0 cites·1 claims
- 2423US4239059AAutomatic air inlet and outlet valve assemblyGARNER GERALD D·Filed 1979·Granted Dec 16, 1980·1 cites·9 claims
- 2520USD372780SSolution bottle positionerKRUG JOHN A·Filed 1994·Granted Aug 13, 1996·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →