Inventor

John S. Hayward

Inventor

Victoria, CA

Overview

1977–2013

Patent span

Mechanical engineering

Primary field (CPC F)

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

A61Mprimary

A61MDevices for introducing media into, or onto, the body13%

Y10TTechnical subjects covered by former us classification13%

H04NPictorial communication, e.g. television9%

B01DSeparation4%

B08BCleaning in general4%

B63CLaunching, hauling-out, or dry-docking of vessels4%

C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms4%

F01DNon-positive displacement machines or engines, e.g. steam turbines4%

F01LCyclically operating valves for machines or engines4%

F01MLubricating of machines or engines in general4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977–1988Patents assigned to HAYWARD JOHN S (2)· patent assignee history

1980Patents assigned to EASTMAN KODAK CO (2)· patent assignee history

1982–2013Patents assigned to HAYWARD JOHN (2)· patent assignee history

1982–1992Based in Victoria, CA· patent location history

1988Based in Houston, TX, US· patent location history

1989–1992Patents assigned to UNIV VICTORIA (3)· patent assignee history

1998Based in Harwinton, CT, US· patent location history

2000–2013Based in West Sussex, GB· patent location history

2007Patents assigned to TIMKEN US CORP (2)· patent assignee history

2007Based in Torrington, CT, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations