Inventor
James N. Christini
Inventor
Towanda, PA, US
Overview
Patents· 14 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 c01f27%
C22BProduction and refining of metals23%
F27BFurnaces, kilns, ovens or retorts in general14%
B22FWorking metallic powder9%
Y02PClimate change mitigation technologies in the production or processing of goods9%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds5%
C10MLubricating compositions5%
C22CAlloys5%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace5%
PatentTitleYear
6,022,395'Method for increasing tap density of molybdenum powder'20005,734,960'Process for producing KS molybdenum'19985,417,945'Process for recovering tungsten as an ammoniacal tungstate compound in which ammoniacal tungstate liquors are reclaimed'19955,185,030'Method for producing extrafine pure metal powder'19934,933,152'Continuous process for purifying molybdenum'19904,882,131'Process for recovering tungsten from organic solutions'19894,599,223'Separation of tungsten from rhenium'19864,557,923'Method for producing ammonium metatungstate from ammonium paratungstate'19854,448,755'Method for removal of tin from ammonium tungstates'19844,360,503'Recovery of tungsten values from alkali tungstate solutions by solvent extraction'19824,298,485'Process of preparing lubricating oil additive containing tungsten'19814,288,216'Calciner with tapered reverse feed spiral'19814,288,217'Rotary calciner feed spiral'19814,286,946'Calciner reverse feed discharge spiral'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1995Patents assigned to GTE PROD CORP (12)· patent assignee history
1981–2000Based in Towanda, PA, US· patent location history
1998–2000Patents assigned to OSRAM SYLVANIA INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GTE PROD CORP | 12 | 1981–1995 |
| OSRAM SYLVANIA INC | 2 | 1998–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Towanda, Pennsylvania, US | 14 | 1981–2000 |