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Inventor

David H. Briggs

Inventor
Silchester, GB

Overview

5→
Patents
1992–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

H05Bprimary
H05BElectric heating40%
B22FWorking metallic powder10%
B24DTools for grinding, buffing or sharpening10%
C22CAlloys10%
E21BEarth or rock drilling10%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
10,214,967Composite polycrystalline diamond body20195,180,895'Microwave heating apparatus'19935,144,105'Microwave heating apparatus with a combined food scoop and door'19925,142,114'Microwave chamber for heating foodstuffs'19925,136,133'Microwave heating apparatus'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to BRIGGS DAVID H (3)· patent assignee history
1992Patents assigned to FREEMAN RICHARD F (3)· patent assignee history
1992–1993Based in Silchester, GB· patent location history
1992Based in Reading, GB· patent location history
1993Patents assigned to UNILEVER PATENT HOLDINGS (1)· patent assignee history
2019Patents assigned to INT DIAMOND SERVICES INC (1)· patent assignee history
2019Based in The Woodlands, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRIGGS DAVID Hself31992
FREEMAN RICHARD F31992
INT DIAMOND SERVICES INC12019
UNILEVER PATENT HOLDINGS11993
Locations
LocationPatentsSpan
Silchester, GB31992–1993
The Woodlands, Texas, US12019
Reading, GB11992