Inventor

Joseph F. Mathews

Inventor

New Milford, CT, US

Overview

1997–2021

Patent span

Mechanical engineering

Primary field (CPC F)

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

H01Mprimary

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy20%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution20%

C11DDetergent compositions10%

F01PCooling of machines or engines in general10%

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%

F28GCleaning of internal or external surfaces of heat-exchange or heat-transfer conduits, e.g. water tubes or boilers10%

Y10TTechnical subjects covered by former us classification10%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to ZBB TECHNOLOGIES INC (1)· patent assignee history

1997Based in Shorewood, WI, US· patent location history

2017Patents assigned to JOHNSON CONTROLS TECH CO (1)· patent assignee history

2017Based in Milwaukee, WI, US· patent location history

2021Patents assigned to PRESTONE PRODUCTS CORP (1)· patent assignee history

2021Based in New Milford, CT, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations