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Inventor

David John Dittrich

Inventor
Southampton, GB

Overview

12→
Patents
1986–2014
Patent span
Human necessities
Primary field (CPC A)

Patents· 12 as inventor

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

A24Dprimary
A24DCigars45%
A24BManufacture or preparation of tobacco for smoking or chewing36%
A24CMachines for making cigars or cigarettes9%
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials5%
D21HPulp compositions5%
PatentTitleYear
8,758,561'Cellulosic material'20148,375,959'Smoking articles and smokable filler materials therefor'20137,708,020'Smoking articles and smokable filler materials therefor'20106,658,822'Packaging smoking articles'20036,578,584'Smoking article with non-combustible wrapper, combustible fuel source and aerosol generator'20036,550,483'Smoking article with water-disintegratable paper filtration material having water-susceptible adhesives'20036,311,696'Smoking articles'20016,095,152'Smoking article with non-combustible wrapper, combustible fuel source and aerosol generator'20005,249,588'Smoking articles'19934,964,427'Smoking articles'19904,878,507'Smoking articles'19894,607,647'Smoking articles'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2014Patents assigned to BRITISH AMERICAN TOBACCO CO (12)· patent assignee history
1986–2013Based in Southampton, GB· patent location history
2010Based in Hants, GB· patent location history
2013–2014Patents assigned to DITTRICH DAVID JOHN (2)· patent assignee history
2013Patents assigned to COBURN STEVEN (1)· patent assignee history
2013Patents assigned to FIGLAR JAMES N (1)· patent assignee history
2014Patents assigned to COLEMAN MARTIN (1)· patent assignee history
2014Based in London, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRITISH AMERICAN TOBACCO CO121986–2014
DITTRICH DAVID JOHNself22013–2014
COBURN STEVEN12013
COLEMAN MARTIN12014
FIGLAR JAMES N12013
Locations
LocationPatentsSpan
Southampton, GB101986–2013
London, GB12014
Hants, GB12010