Inventor

John J. Parker

Inventor

Findlay, OH, US

Overview

12→

Patents

1981–2006

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.

F16Lprimary

F16LPipes18%

E02BHydraulic engineering13%

E03FSewers10%

Y02ATechnologies for adaptation to climate change10%

B29CShaping or joining of plastics8%

B29DProducing particular articles from plastics or from substances in a plastic state8%

B29LIndexing scheme associated with subclass b29c, relating to particular articles8%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers5%

C02FTreatment of water, waste water, sewage, or sludge5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

PatentTitleYear

6,994,831'Oxidative tritium decontamination system'2006 RE032312'Inlet and outlet baffle structure for sewage treatment tanks'1986 4,523,613'Multi-layered corrugated conduit with \"black-eye\" like apertures'1985 4,445,542'Arch end cap'1984 4,363,732'Inlet and outlet baffle structure for sewage treatment tanks'1982 4,360,042'Arched conduit with improved corrugations'1982 4,359,167'Subterranean plastic tank'1982 4,357,190'Method and apparatus for manufacturing non-round plastic tubing'1982 4,286,808'Snap-in tee connector'1981 4,254,885'Subterranean plastic tank'1981 4,247,136'Internal coupling structure and joint for pipe or tubing'1981 4,245,924'Arch conduit'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1985Patents assigned to HANCOR INC (10)· patent assignee history

1981–1986Based in Findlay, OH, US· patent location history

2006Patents assigned to US ENERGY (1)· patent assignee history

2006Based in Medford, NJ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HANCOR INC	10	1981–1985
US ENERGY	1	2006

Locations

Location	Patents	Span
Findlay, OH, US	11	1981–1986
Medford, New Jersey, US	1	2006