Inventor

David B. Ziegler

Inventor

Eden Prairie, MN, US

Overview

12→

Patents

1988–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 12 as inventor

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

F25Dprimary

F25DRefrigerators21%

B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles13%

B60PVehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects13%

G01NInvestigating or analysing materials by determining their chemical or physical properties13%

A47LDomestic washing or cleaning4%

A62DChemical means for extinguishing fires or for combating or protecting against harmful chemical agents4%

B09BDisposal of solid waste not otherwise provided for4%

B29CShaping or joining of plastics4%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles4%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers4%

PatentTitleYear

11,123,590Abatement of asbestos using fluorinated metal compounds2021 11,085,879Fog tester2021 6,508,076'Duct system for temperature-controlled cargo containers'2003 6,470,692'Air return bulkhead with filter'2002 6,364,388'Air return bulkhead for use with a transport temperature control system'2002 6,296,561'Air return bulkhead for temperature controlled trailers'2001 D0349102'Front cover portion of a microprocessor controller housing'1994 5,211,900'Method of manufacturing an eutectic beam having multi-functional support members'1993 D0313569'Cover for a remote indicator light'1991 D0309346'Cover for a transport refrigeration unit'1990 4,762,244'Radiator overflow container'1988 4,733,798'Method and apparatus for controlling the concentration of a chemical solution'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2003Patents assigned to THERMO KING CORP (9)· patent assignee history

1988Patents assigned to ECOLAB INC (1)· patent assignee history

1988–2003Based in Eden Prairie, MN, US· patent location history

2021Patents assigned to US GOV SEC ARMY (2)· patent assignee history

2021Based in Clinton, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
THERMO KING CORP	9	1988–2003
US GOV SEC ARMY	2	2021
ECOLAB INC	1	1988

Locations

Location	Patents	Span
Eden Prairie, Minnesota, US	10	1988–2003
Clinton, Massachusetts, US	2	2021