Inventor

John M. Wiese

Inventor

Red Bud, IL, US

Overview

1976–2011

Patent span

Mechanical engineering

Primary field (CPC F)

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

B21Dprimary

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material19%

F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general19%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application19%

Y10TTechnical subjects covered by former us classification19%

B23PMetal-working not otherwise provided for6%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general6%

F24FAir-conditioning6%

Y02TClimate change mitigation technologies related to transportation6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1976Based in St. Louis, MO, US· patent location history

1983–1985Patents assigned to SNYDER GENERAL CORP (2)· patent assignee history

1983–1987Based in Red Bud, IL, US· patent location history

2011Patents assigned to HIEMSTRA DEREK (1)· patent assignee history

2011Patents assigned to HIEMSTRA JOHN (1)· patent assignee history

2011Patents assigned to HOVDA ALLAN T (1)· patent assignee history

2011Patents assigned to IRLBECK JILL N (1)· patent assignee history

2011Based in Lakeville, MN, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations