Inventor
Howard L. Acla
Inventor
Towanda, PA, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Gprimary
C01GCompounds containing metals not covered by subclasses c01d or c01f32%
C22BProduction and refining of metals23%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds14%
Y02PClimate change mitigation technologies in the production or processing of goods14%
B22FWorking metallic powder9%
C01BNon-metallic elements9%
PatentTitleYear
4,710,368'High purity high surface area alpha crystalline silicon nitride'19874,695,439'Yttrium oxide stabilized zirconium oxide'19874,626,422'High purity high surface area silicon nitride'19864,578,251'Removal of chromium from cobalt'19864,537,750'Process for producing high purity tantalum oxide'19854,495,158'Process for the recovery of tantalum values'19854,490,340'Process for the recovery of high purity tantalum oxide'19844,482,526'Recovery of tungsten and molybdenum from sulfur-bearing material'19844,255,397'Process for removing tungsten from cemented tungsten carbide'19814,233,063'Process for producing cobalt powder'19804,214,894'Method for producing cobalt metal powder'19804,184,868'Method for producing extra fine cobalt metal powder'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1987Patents assigned to GTE PROD CORP (11)· patent assignee history
1980Patents assigned to GTE SYLVANIA INC (1)· patent assignee history
1980–1987Based in Towanda, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GTE PROD CORP | 11 | 1980–1987 |
| GTE SYLVANIA INC | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Towanda, Pennsylvania, US | 12 | 1980–1987 |