Inventor
Evan A. Edwards
Inventor
Pittsford, NY, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation20%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them20%
H04NPictorial communication, e.g. television15%
C02FTreatment of water, waste water, sewage, or sludge10%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
F01MLubricating of machines or engines in general5%
F16FSprings5%
G02BOptical elements, systems or apparatus5%
G03CPhotosensitive materials for photographic purposes5%
G11BInformation storage based on relative movement between record carrier and transducer5%
PatentTitleYear
5,006,246'Baffled particulate material housing'19914,990,248'Reverse osmosis apparatus'19914,909,934'Water purification system'19904,851,818'Electronic controller for a water purifying unit'19894,824,564'Dry sump liquid filter'19894,685,648'Counterbalancing apparatus for use in an optical instrument'19874,497,556'Photographic still camera'19854,488,796'Photographic still camera film system'19844,338,634'Frame-rate converting film scanner with two-dimensional solid state image sensing array'19824,295,713'Film and photographic apparatus'19814,263,623'Slow-frame video camera/recorder and image-sensing and signal processing device for use therewith'19814,245,247'Hard copy reproduction from video disc information'19814,243,850'Apparatus for tracking a record track on a video disc'19814,223,990'Film and photographic apparatus'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1991Patents assigned to EASTMAN KODAK CO (11)· patent assignee history
1980–1991Based in Pittsford, NY, US· patent location history
1981Based in Rochester, NY, US· patent location history
1984–1985Patents assigned to EDWARDS EVAN A (2)· patent assignee history
1987Patents assigned to BAUSCH & LOMB (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EASTMAN KODAK CO | 11 | 1980–1991 |
| EDWARDS EVAN Aself | 2 | 1984–1985 |
| BAUSCH & LOMB | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pittsford, New York, US | 13 | 1980–1991 |
| Rochester, New York, US | 1 | 1981 |