Assignee
RANCO INC
US·146 granted patents·29 pending applications·4,686 citations·filing 1974–2008
Top patents by PatentIndex Score
175 records- 0198US7226496B2Spot ventilators and method for spot ventilating bathrooms, kitchens and closetsRANCO INC·Filed 2005·Granted Jun 5, 2007·54 cites·21 claims
- 0296US7455240B2Thermostat display system providing animated iconsRANCO INC·Filed 2005·Granted Nov 25, 2008·149 cites·20 claims
- 0396US6769482B2System and method for switching-over between heating and cooling modesRANCO INC·Filed 2001·Granted Aug 3, 2004·182 cites·25 claims
- 0496US6688333B2Automotive coolant control valveRANCO INC·Filed 2003·Granted Feb 10, 2004·65 cites·41 claims
- 0595US7624931B2Adjustable display resolution for thermostatRANCO INC·Filed 2005·Granted Dec 1, 2009·156 cites·9 claims
- 0695US7226497B2Fanless building ventilatorRANCO INC·Filed 2005·Granted Jun 5, 2007·32 cites·23 claims
- 0795US6681805B2Automotive coolant control valveRANCO INC·Filed 2001·Granted Jan 27, 2004·55 cites·3 claims
- 0894US7667163B2Thermostat with adjustable color for aesthetics and readabilityRANCO INC·Filed 2006·Granted Feb 23, 2010·153 cites·17 claims
- 0994US7460933B2Thermostat display system providing adjustable backlight and indicatorsRANCO INC·Filed 2005·Granted Dec 2, 2008·79 cites·14 claims
- 1094US7000849B2Thermostat with configurable service contact information and reminder timersRANCO INC·Filed 2003·Granted Feb 21, 2006·209 cites·20 claims
- 1194US6233132B1Zero cross relay actuation method and system implementing sameRANCO INC·Filed 1999·Granted May 15, 2001·131 cites·29 claims
- 1293US6976505B2Valve control system for distributing and regulating the flow of coolantRANCO INC·Filed 2003·Granted Dec 20, 2005·35 cites·18 claims
- 1393US5715704ARefrigeration system flow control expansion valveRANCO INC·Filed 1996·Granted Feb 10, 1998·101 cites·33 claims
- 1493US4882908ADemand defrost control method and apparatusRANCO INC·Filed 1987·Granted Nov 28, 1989·131 cites·22 claims
- 1592US5123080ACompressor drive systemRANCO INC·Filed 1990·Granted Jun 16, 1992·165 cites·10 claims
- 1690US7506664B2Automotive coolant control valveRANCO INC·Filed 2006·Granted Mar 24, 2009·44 cites·17 claims
- 1790US7151264B2Inline air handler system and associated method of useRANCO INC·Filed 2004·Granted Dec 19, 2006·53 cites·49 claims
- 1889US6862589B2System and method for performing diagnostics using a portable device displaying diagnostic data using templatesRANCO INC·Filed 2002·Granted Mar 1, 2005·66 cites·33 claims
- 1989US5758863AValve controlled by fluidRANCO INC·Filed 1995·Granted Jun 2, 1998·79 cites·6 claims
- 2089US4267702ARefrigeration system with refrigerant flow controlling valveRANCO INC·Filed 1979·Granted May 19, 1981·87 cites·12 claims
- 2189US4136732AMethod and apparatus for controlling air-conditioning systemsRANCO INC·Filed 1977·Granted Jan 30, 1979·67 cites·3 claims
- 2288US7522063B2Combination thermostat and warning device with remote sensor monitoringRANCO INC·Filed 2006·Granted Apr 21, 2009·29 cites·34 claims
- 2388US6794771B2Fault-tolerant multi-point flame sense circuitRANCO INC·Filed 2002·Granted Sep 21, 2004·140 cites·13 claims
- 2488US5630408AGas/air ratio control apparatus for a temperature control loop for gas appliancesRANCO INC·Filed 1994·Granted May 20, 1997·92 cites·17 claims
- 2587US8014905B2System and method for demand limiting resistive load managementRANCO INC·Filed 2007·Granted Sep 6, 2011·30 cites·21 claims
- 2687US7131460B2Automotive coolant control valveRANCO INC·Filed 2003·Granted Nov 7, 2006·24 cites·15 claims
- 2786US5707151ATemperature transducer assemblyRANCO INC·Filed 1994·Granted Jan 13, 1998·61 cites·9 claims
- 2885US5454641ATemperature transducer assemblyRANCO INC·Filed 1994·Granted Oct 3, 1995·66 cites·6 claims
- 2984US7913925B2Color changing thermostatic controllerRANCO INC·Filed 2004·Granted Mar 29, 2011·44 cites·3 claims
- 3084USD592982SThermostatRANCO INC·Filed 2008·Granted May 26, 2009·34 cites·1 claims
- 3184US7182805B2Corona-discharge air mover and purifier for packaged terminal and room air conditionersRANCO INC·Filed 2005·Granted Feb 27, 2007·40 cites·20 claims
- 3284US5237830ADefrost control method and apparatusRANCO INC·Filed 1992·Granted Aug 24, 1993·77 cites·11 claims
- 3383US6923211B2Method for distributing and regulating the flow of coolantRANCO INC·Filed 2003·Granted Aug 2, 2005·16 cites·8 claims
- 3482US5507154ASelf-calibrating defrost controllerRANCO INC·Filed 1994·Granted Apr 16, 1996·56 cites·31 claims
- 3580US6374624B1On/off solenoid expansion deviceRANCO INC·Filed 2000·Granted Apr 23, 2002·34 cites·23 claims
- 3680US6079401ASingle knob rotary oven control apparatus providing continuous and discrete control informationRANCO INC·Filed 1998·Granted Jun 27, 2000·43 cites·25 claims
- 3780US5043692ATemperature sensing apparatus and method of making sameRANCO INC·Filed 1989·Granted Aug 27, 1991·37 cites·20 claims
- 3880US4145587ASnap action switchesRANCO INC·Filed 1977·Granted Mar 20, 1979·22 cites·14 claims
- 3979US4712582AReversing valve assembly with improved pilot valve mounting structureRANCO INC·Filed 1987·Granted Dec 15, 1987·38 cites·11 claims
- 4078US5966079AVisual indicator for identifying which of a plurality of dangerous condition warning devices has issued an audible low battery warning signalRANCO INC·Filed 1998·Granted Oct 12, 1999·70 cites·16 claims
- 4178US4573497ARefrigerant reversing valveRANCO INC·Filed 1984·Granted Mar 4, 1986·35 cites·19 claims
- 4278US4510480AThermostat with temperature pull-down facilityRANCO INC·Filed 1982·Granted Apr 9, 1985·24 cites·14 claims
- 4378US4220836APressure responsive control unit employing snap action diaphragmRANCO INC·Filed 1978·Granted Sep 2, 1980·32 cites·14 claims
- 4476US7095858B2System and method for securely upgrading firmwareRANCO INC·Filed 2001·Granted Aug 22, 2006·24 cites·27 claims
- 4576US5126642AVariable speed motor controlRANCO INC·Filed 1991·Granted Jun 30, 1992·40 cites·23 claims
- 4676US4485566ATumbler dryer for the drying of laundryRANCO INC·Filed 1981·Granted Dec 4, 1984·45 cites·7 claims
- 4776US4176823AButterfly valveRANCO INC·Filed 1977·Granted Dec 4, 1979·35 cites·2 claims
- 4875US7182845B2Electrochemical sensing circuit having high dynamic rangeRANCO INC·Filed 2004·Granted Feb 27, 2007·13 cites·20 claims
- 4975US3930611AAir conditioning control system and methodRANCO INC·Filed 1974·Granted Jan 6, 1976·29 cites·1 claims
- 5074US6622503B1Evaporator fan control system for a multi-compartment refrigeratorRANCO INC·Filed 2002·Granted Sep 23, 2003·32 cites·13 claims
Showing the top 50 of 175 patent records by PatentIndex Score.
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