Inventor

David A. Brooks

Inventor

Roodepoort, ZA

Overview

1986–2018

Patent span

Fixed constructions

Primary field (CPC E)

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

E04Hprimary

E04HBuildings or like structures for particular purposes26%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%

F01BMachines or engines, in general or of positive-displacement type, e.g. steam engines6%

Y10TTechnical subjects covered by former us classification6%

A61FFilters implantable into blood vessels3%

A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons3%

A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing3%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%

E01CConstruction of, or surfaces for, roads, sports grounds, or the like3%

E01DConstruction of bridges, elevated roadways or viaducts3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1986–1990Patents assigned to BROOKS DAVID A (2)· patent assignee history

1987–1991Based in Roodepoort, ZA· patent location history

1988–1990Patents assigned to SPOONER EST (7)· patent assignee history

2012–2015Patents assigned to BROOKS DAVID (3)· patent assignee history

2012–2015Patents assigned to DEFRANKS MICHAEL S (2)· patent assignee history

2012–2015Patents assigned to DREAMWELL LTD (2)· patent assignee history

2012–2015Based in Lawrenceville, GA, US· patent location history

2014Based in Seattle, WA, US· patent location history

2018Based in Northampton, GB· patent location history

2018Based in Holden, MA, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations