Assignee
CENTURY MFG CO
33 granted patents·1,319 citations·filing 1977–1999
Top patents by PatentIndex Score
33 records- 0196USD280329SWelding machineCENTURY MFG CO·Filed 1983·Granted Aug 27, 1985·121 cites·1 claims
- 0296USD275292SWelding machineCENTURY MFG CO·Filed 1982·Granted Aug 28, 1984·109 cites·1 claims
- 0394US6225596B1Portable welding unitCENTURY MFG CO·Filed 1996·Granted May 1, 2001·140 cites·34 claims
- 0487USD327468SPortable, battery, power sourceCENTURY MFG CO·Filed 1990·Granted Jun 30, 1992·32 cites·1 claims
- 0587USD275293SWelding machineCENTURY MFG CO·Filed 1982·Granted Aug 28, 1984·26 cites·1 claims
- 0686USD382885SConsole for refrigerant recyclingCENTURY MFG CO·Filed 1994·Granted Aug 26, 1997·33 cites·1 claims
- 0786US4940877AParts in place torch structureCENTURY MFG CO·Filed 1989·Granted Jul 10, 1990·59 cites·9 claims
- 0885US6130519APortable battery charger including auto-polarity switchCENTURY MFG CO·Filed 1999·Granted Oct 10, 2000·155 cites·21 claims
- 0984US4896016APlasma arc metal cutting apparatus with actuation springCENTURY MFG CO·Filed 1989·Granted Jan 23, 1990·56 cites·8 claims
- 1081US5077513APortable battery power sourceCENTURY MFG CO·Filed 1990·Granted Dec 31, 1991·82 cites·16 claims
- 1179US5993983APortable power supply using hybrid battery technologyCENTURY MFG CO·Filed 1997·Granted Nov 30, 1999·69 cites·23 claims
- 1278USD274819SWelding machineCENTURY MFG CO·Filed 1982·Granted Jul 24, 1984·16 cites·1 claims
- 1376US5965998AAutomatic polarity and condition sensing battery chargerCENTURY MFG CO·Filed 1996·Granted Oct 12, 1999·92 cites·12 claims
- 1472USD274914SPortable welding machineCENTURY MFG CO·Filed 1982·Granted Jul 31, 1984·13 cites·1 claims
- 1569USD417429SBattery powered chargerCENTURY MFG CO·Filed 1998·Granted Dec 7, 1999·15 cites·1 claims
- 1669US4221370AObstetric chairCENTURY MFG CO·Filed 1978·Granted Sep 9, 1980·39 cites·7 claims
- 1768USRE37482EPortable power supplyCENTURY MFG CO·Filed 1998·Granted Dec 25, 2001·49 cites·0 claims
- 1868USD370050SConsole for fluid recyclingCENTURY MFG CO·Filed 1995·Granted May 21, 1996·16 cites·1 claims
- 1964US6408637B1Apparatus and method for recovering and recycling refrigerantCENTURY MFG CO·Filed 1999·Granted Jun 25, 2002·36 cites·9 claims
- 2063USD352090SConsole for fluid recyclingCENTURY MFG CO·Filed 1993·Granted Nov 1, 1994·11 cites·1 claims
- 2162US4916270AMig welder cutting head attachmentCENTURY MFG CO·Filed 1989·Granted Apr 10, 1990·18 cites·1 claims
- 2259US6193895B1Multipurpose vehicle coolant recycling device and method for recycling vehicle coolantCENTURY MFG CO·Filed 1999·Granted Feb 27, 2001·22 cites·7 claims
- 2358USD332993SAntifreeze recyclerCENTURY MFG CO·Filed 1990·Granted Feb 2, 1993·11 cites·1 claims
- 2453US4396881AMeans indicating a condition of charge in a battery chargerCENTURY MFG CO·Filed 1982·Granted Aug 2, 1983·21 cites·4 claims
- 2550US4546302AProtective sensing means for battery charging circuitCENTURY MFG CO·Filed 1980·Granted Oct 8, 1985·18 cites·2 claims
- 2649USD369647SConsole for a drain, flush, and fill machineCENTURY MFG CO·Filed 1994·Granted May 7, 1996·6 cites·1 claims
- 2747US5075614ADevice ascertaining the time required to charge a battery and timing the chargeCENTURY MFG CO·Filed 1989·Granted Dec 24, 1991·18 cites·5 claims
- 2840US4227148AExternal means for increasing the sensitivity of a moving magnet type of meterCENTURY MFG CO·Filed 1978·Granted Oct 7, 1980·5 cites·4 claims
- 2938US4496822ATilting releasing latch structure for welding machine welding headCENTURY MFG CO·Filed 1983·Granted Jan 29, 1985·6 cites·3 claims
- 3038US4373212ALight blocking lens for welder helmetCENTURY MFG CO·Filed 1980·Granted Feb 15, 1983·17 cites·1 claims
- 3130US4164723AShunt release and locking structureCENTURY MFG CO·Filed 1978·Granted Aug 14, 1979·1 cites·8 claims
- 3229US4086551AShunt positioning deviceCENTURY MFG CO·Filed 1977·Granted Apr 25, 1978·1 cites·5 claims
- 3327US5639392ALocking crank mechanismCENTURY MFG CO·Filed 1995·Granted Jun 17, 1997·6 cites·19 claims
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