Inventor
Richard G. W. Gingerich
Inventor
Towanda, PA, US
Overview
Patents· 37 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere31%
C22BProduction and refining of metals13%
C01GCompounds containing metals not covered by subclasses c01d or c01f11%
Y10TTechnical subjects covered by former us classification9%
Y02PClimate change mitigation technologies in the production or processing of goods7%
B22FWorking metallic powder5%
H05BElectric heating5%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
H01JElectric discharge tubes or discharge lamps3%
PatentTitleYear
6,960,556'Spherical tungsten disulfide powder'20056,849,297'Encapsulated long life electroluminescent phosphor'20056,702,959'Long life, white light emitting electroluminescent phosphor'20046,686,043'Method for making long-life electroluminescent phosphor'20046,623,807'Stabilization of color in heated electroluminescent phosphor'20036,569,357'Method of making electroluminescent phosphor'20036,562,260'Recovery of electroluminescsent phosphor from encapsulated material'20036,426,115'Method for making high-efficacy and long life electroluminescent phosphor'20026,395,196'Process for producing electroluminescent phosphor with extended half-life'20026,364,951'Moisture insensitive electroluminescent phosphor'20026,361,864'Method for making high-efficacy and long life electroluminescent phophor'20026,309,700'Method of making long life electroluminescent phosphor'20016,171,650'Moisture insensitive electroluminescent phosphor'20016,113,808'Electroluminescent phosphor with extended life and method of making same'20005,985,175'Boron oxide coated phosphor and method of making same'19995,676,917'Synthesis of beta phase spherical calcium pyrophosphate powder'19975,525,259'Europium-doped yttrium oxide phosphor'19965,503,769'Method of making an unactivated yttrium tantalate x-ray phosphor'19965,431,851'Composite electroluminescent phosphor'19955,417,945'Process for recovering tungsten as an ammoniacal tungstate compound in which ammoniacal tungstate liquors are reclaimed'19955,294,368'Method of making a composite electroluminescent phosphor'19945,009,808'Process for producing electroluminescent yellow zinc sulfide phosphors'19914,925,593'Method for producing cadmium free green emitting CRT phosphor'19904,897,217'Method for producing alkaline earth halophosphate stir-in phosphors'19904,859,361'Process for producing electroluminescent phosphors of improved brightness'19894,826,622'Method of making alkaline earth halophosphate phosphor'19894,690,710'Process for producing cobalt metal powder'19874,608,235'Recovery of cobalt'19864,397,690'Process for recovering gold'19834,395,278'Method for producing cobalt metal powder'19834,381,937'Method for producing cobalt metal powder'19834,348,224'Method for producing cobalt metal powder'19824,329,169'Method for producing cobalt metal powder'19824,278,463'Process for recovering cobalt'19814,218,240'Method for producing cobaltic hexammine compounds and cobalt metal powder'19804,214,894'Method for producing cobalt metal powder'19804,214,895'Method for producing cobalt metal powder'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1996Patents assigned to GTE PROD CORP (17)· patent assignee history
1980Patents assigned to GTE SYLVANIA INC (1)· patent assignee history
1980–2005Based in Towanda, PA, US· patent location history
1994–2005Patents assigned to OSRAM SYLVANIA INC (19)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OSRAM SYLVANIA INC | 19 | 1994–2005 |
| GTE PROD CORP | 17 | 1980–1996 |
| GTE SYLVANIA INC | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Towanda, Pennsylvania, US | 37 | 1980–2005 |