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Inventor

BLACKSHAW ANDREW L

US12 patents
⚠️ This page may combine multiple inventors who share the name “BLACKSHAW ANDREW L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

E TECH INC

3 patents
US4385723AMay 31, 1983

Connection assembly

E TECH INC21 citations80
US4316502AFeb 23, 1982

Helically flighted heat exchanger

E TECH INC20 citations80
US4434539AMar 6, 1984

Method of manufacturing a heat exchanger

E TECH INC10 citations71

ELECTRIC POWER RES INST

1 patent
US5255338AOct 19, 1993

Heat pump water heater control circuit

ELECTRIC POWER RES INST31 citations92

L & P PROPERTY MANAGEMENT CO

1 patent
US5458407AOct 17, 1995

Merchandising display

L & P PROPERTY MANAGEMENT CO39 citations91

SOUTHERN CO SERVICES INC

1 patent
US4598557AJul 8, 1986

Integrated heat pump water heater

SOUTHERN CO SERVICES INC69 citations90

MISSISSIPI POWER CO

1 patent
US4646538AMar 3, 1987

Triple integrated heat pump system

MISSISSIPI POWER CO49 citations89

MISSISSIPPI POWER CO

1 patent
US4776180AOct 11, 1988

Updraft integrated heat pump

MISSISSIPPI POWER CO30 citations83

PREFERRED CO2 SYSTEMS INC

1 patent
US5287702AFeb 22, 1994

Carbon dioxide storage with thermoelectric cooling for fire suppression systems

PREFERRED CO2 SYSTEMS INC24 citations82

AIRXCEL INC

1 patent
US8744632B2Jun 3, 2014

System and method for operating an economizer cycle of an air conditioner

AIRXCEL INC9 citations77

BODREY DOUGLAS M

1 patent
US5238058AAug 24, 1993

Spiral flighted double walled heat exchanger

BODREY DOUGLAS M9 citations63

BLACKSHAW ANDREW L

1 patent
US8406930B2Mar 26, 2013

System and method for operating an economizer cycle of an air conditioner

BLACKSHAW ANDREW L0 citations39