Inventor
El-Sayed Megahed
Inventor
Madison, WI, US
Overview
Patents· 18 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 energy32%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution16%
F21LLighting devices or systems thereof, being portable or specially adapted for transportation14%
F21VFunctional features or details of lighting devices or systems thereof11%
C01GCompounds containing metals not covered by subclasses c01d or c01f5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%
F21SNon-portable lighting devices3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
H02JElectric power networks3%
PatentTitleYear
6,444,356'Lithium battery with secondary battery separator'20026,001,508'AgO cathode battery'19995,750,288'Modified lithium nickel oxide compounds for electrochemical cathodes and cells'19985,606,238'Discriminating battery charging system'19975,589,109'Method for producing a cathode material containing silver and bismuth'19965,424,927'Electro-optic flashlight electro-optically controlling the emitted light'19955,389,469'AgO battery, and material'19955,246,795'High temperature lithium solid cathode electrochemical cells'19935,077,644'Reflector for hand held flashlight'19914,855,647'Flashlight with soft turn on control'19894,835,077'AgO cathode material'19894,803,605'Flashlight with a backup system'19894,783,725'Flashlight with space efficient reflector'19884,760,504'Magnetically activated flashlight'19884,078,127'Additive for an alkaline battery employing divalent silver oxide positive active material'19784,048,405'High drain rate, primary alkaline cell having a divalent silver oxide/monovalent silver oxide depolarizer blend coated with a layer of silver'19774,015,056'Method of manufacturing a stable divalent silver oxide depolarizer mix'19774,009,056'Primary alkaline cell having a stable divalent silver oxide depolarizer mix'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1978Patents assigned to ESB INC (4)· patent assignee history
1977–2002Based in Madison, WI, US· patent location history
1988–1999Patents assigned to RAY O VAC CORP (12)· patent assignee history
1988Patents assigned to RAYOVAC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RAY O VAC CORP | 12 | 1988–1999 |
| ESB INC | 4 | 1977–1978 |
| RAYOVAC | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Madison, WI, US | 18 | 1977–2002 |