Inventor

John C. Harding, Jr.

Inventor

Framingham, MA, US

Overview

1980–1991

Patent span

Physics

Primary field (CPC G)

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

G01Nprimary

G01NInvestigating or analysing materials by determining their chemical or physical properties29%

B01DSeparation7%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%

C10JProduction of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures containing these gases7%

C23CCoating metallic material7%

F02KJet-propulsion plants7%

F25BRefrigeration machines, plants or systems7%

G01FMeasuring volume, volume flow, mass flow or liquid level7%

G05DSystems for controlling or regulating non-electric variables7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1980–1985Patents assigned to GEN EASTERN INSTR CORP (3)· patent assignee history

1980–1982Based in Watertown, MA, US· patent location history

1983Patents assigned to FOSTER MILLER ASS (2)· patent assignee history

1983Based in Sudbury, MA, US· patent location history

1985–1991Based in Framingham, MA, US· patent location history

1990Patents assigned to ULTRAMET (1)· patent assignee history

1990Based in Van Nuys, CA, US· patent location history

1991Patents assigned to NOVA BIOMEDICAL CORP (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
Framingham, Massachusetts, US	2	1985–1991
Sudbury, Massachusetts, US	2	1983
Watertown, Massachusetts, US	2	1980–1982
Van Nuys, California, US	1	1990