Inventor
John F. Judge
Inventor
Stewartstown, PA, US
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Bprimary
F25BRefrigeration machines, plants or systems33%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications14%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact10%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application10%
H05KPrinted circuits8%
F25DRefrigerators6%
F24FAir-conditioning4%
G01RMeasuring electric variables4%
C09KMaterials for miscellaneous applications, not provided for elsewhere2%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids2%
PatentTitleYear
10,174,977Apparatus and method for subcooling control based on superheat setpoint control20199,980,413High efficiency cooling system20189,845,981Load estimator for control of vapor compression cooling system with pumped refrigerant economization20179,746,218'Economized refrigeration system'20179,746,224'Expansion valve setpoint control systems and methods'20179,316,424'Multi-stage cooling system with tandem compressors and optimized control of sensible cooling and dehumidification'20169,038,404'High efficiency cooling system'20158,209,057'System and method for forming universal control panel'20127,849,710'Falling film evaporator'20107,707,850'Drainage mechanism for a flooded evaporator'20107,096,681'System and method for variable speed operation of a screw compressor'20067,003,971'Electronic component cooling system for an air-cooled chiller'20066,779,594'Heat exchanger assembly with enhanced heat transfer characteristics'20046,557,371'Apparatus and method for discharging fluid'20036,530,236'Method and apparatus for controlling the removal of heat from the condenser in a refrigeration system'20036,434,003'Liquid-cooled power semiconductor device heatsink'20026,357,516'Plate heat exchanger assembly with enhanced heat transfer characteristics'20026,079,217'Method and system for the determination of a ternary refrigerant mixture composition'20006,035,648'Method of charging and recharging a refrigeration system containing a ternary refrigerant'20006,003,410'System and method for determining the amount of refrigerant in a vapor compression system'19995,098,187'Apparatus and method for signal generation and for processing'19924,991,106'Method and apparatus for aligning and analyzing sample and control signals'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1992Patents assigned to ALFA LAVAL AB (2)· patent assignee history
1991–1992Based in Yorktown Heights, NY, US· patent location history
1999–2010Patents assigned to YORK INT CORP (11)· patent assignee history
1999Based in York, PA, US· patent location history
2000–2010Based in Stewartstown, PA, US· patent location history
2010–2019Based in Galena, OH, US· patent location history
2012–2019Patents assigned to LIEBERT CORP (7)· patent assignee history
2012–2016Patents assigned to JUDGE JOHN F (3)· patent assignee history
2015–2016Patents assigned to DOLCICH BENEDICT J (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YORK INT CORP | 11 | 1999–2010 |
| LIEBERT CORP | 7 | 2012–2019 |
| JUDGE JOHN Fself | 3 | 2012–2016 |
| ALFA LAVAL AB | 2 | 1991–1992 |
| DOLCICH BENEDICT J | 2 | 2015–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Stewartstown, Pennsylvania, US | 10 | 2000–2010 |
| Galena, OH, US | 9 | 2010–2019 |
| Yorktown Heights, New York, US | 2 | 1991–1992 |
| York, Pennsylvania, US | 1 | 1999 |