Inventor
Mark Ashbolt
Inventor
Newtown, CT, US
Overview
12→
Patents
1989–2020
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy31%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution31%
Y02PClimate change mitigation technologies in the production or processing of goods13%
Y10TTechnical subjects covered by former us classification13%
B23DPlaning6%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
10,804,515Batteries having vents20207,491,464'Alkaline cell with flat housing'20097,435,395'Alkaline cell with flat housing and nickel oxyhydroxide cathode'20087,294,429'Alkaline cell with flat housing'20077,163,766'Alkaline cell with flat housing'20077,094,494'Alkaline cell with flat housing'20067,094,495'Alkaline cell with flat housing'20066,986,969'Alkaline cell with flat housing and improved current collector'20066,887,618'Electrochemical cell with flat casing and vent'20056,833,215'Alkaline cell with flat housing'20044,843,930'Apparatus for trimming a tubular article'19894,815,348'Apparatus for trimming a flanged end of a tubular article'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to MB GROUP PLC (1)· patent assignee history
1989Patents assigned to METAL BOX PLC (1)· patent assignee history
1989Based in West Sussex, GB· patent location history
1989Based in Crawley, GB· patent location history
2004–2009Patents assigned to GILLETTE CO (9)· patent assignee history
2004Based in Newton, CT, US· patent location history
2005–2020Based in Newtown, CT, US· patent location history
2020Patents assigned to DURACELL US OPERATIONS INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GILLETTE CO | 9 | 2004–2009 |
| DURACELL US OPERATIONS INC | 1 | 2020 |
| MB GROUP PLC | 1 | 1989 |
| METAL BOX PLC | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Newtown, CT, US | 9 | 2005–2020 |
| Newton, CT, US | 1 | 2004 |
| West Sussex, GB | 1 | 1989 |
| Crawley, GB | 1 | 1989 |