Inventor

Andrew M. Welch

Inventor

Mount Wolf, PA, US

Overview

2003–2020

Patent span

Mechanical engineering

Primary field (CPC F)

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

F25Bprimary

F25BRefrigeration machines, plants or systems19%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact12%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications12%

F28BSteam or vapour condensers7%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application7%

F04DNon-positive-displacement pumps5%

F25DRefrigerators5%

H02KDynamo-electric machines5%

H04NPictorial communication, e.g. television5%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2003–2020Patents assigned to WELCH ANDREW (4)· patent assignee history

2012Based in Rochester, NY, US· patent location history

2013–2020Patents assigned to JOHNSON CONTROLS TECH CO (9)· patent assignee history

2013–2017Patents assigned to WELCH ANDREW M (5)· patent assignee history

2013Patents assigned to BEAVERSON GREGORY K (2)· patent assignee history

2013Patents assigned to ESTES STEVEN J (2)· patent assignee history

2013–2020Based in Mount Wolf, PA, US· patent location history

2014Based in Longmont, CO, US· patent location history

2016Based in Valley Glen, CA, US· patent location history

2020Based in Los Angeles, CA, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations