Inventor

Delbert S. Christopher

Inventor

Reklaw, TX, US

Overview

1992–2020

Patent span

Mechanical engineering

Primary field (CPC F)

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F24Hprimary

F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general26%

F16LPipes11%

F23CMethods or apparatus for combustion using fluid fuel or solid fuel suspended in a carrier gas or air11%

F24DDomestic- or space-heating systems, e.g. central heating systems11%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact11%

Y10TTechnical subjects covered by former us classification11%

F23DBurners5%

F24FAir-conditioning5%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application5%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1992–1996Patents assigned to LENNOX IND INC (3)· patent assignee history

1992Based in Carrollton, TX, US· patent location history

1995Based in Jacksonville, TX, US· patent location history

1996Based in Carrolltoon, TX, US· patent location history

1999Patents assigned to LENNOX MANUFACTURING INC (1)· patent assignee history

1999–2020Based in Reklaw, TX, US· patent location history

2018–2020Patents assigned to TRANE INT INC (4)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations