Inventor
Thomas G. Parham
Inventor
Gates Mills, OH, US
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps32%
H01KElectric incandescent lamps15%
G02BOptical elements, systems or apparatus14%
C03CChemical composition of glasses, glazes or vitreous enamels11%
F21VFunctional features or details of lighting devices or systems thereof9%
C23CCoating metallic material5%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
B24BMachines, devices, or processes for grinding or polishing2%
C03BManufacture, shaping, or supplementary processes2%
PatentTitleYear
6,920,765'Combined advanced finishing and UV laser conditioning process for producing damage resistant optics'20056,773,141'Protected coating for energy efficient lamp'20046,382,816'Protected coating for energy efficient lamp'20025,952,768'Transparent heat conserving coating for metal halide arc tubes'19995,723,937'Light-scattering coating, its preparation and use'19985,676,579'Patterned optical interference coatings for electric lamps'19975,675,677'Lamp-to-light guide coupling arrangement for an electrodeless high intensity discharge lamp'19975,627,426'Lamp with IR reflecting film and light-scattering coating'19975,610,469'Electric lamp with ellipsoidal shroud'19975,587,626'Patterned optical interference coatings for only a portion of a high intensity lamp envelope'19965,578,892'Bug free linear quartz halogen lamp'19965,569,970'Tantala-silica interference filters and lamps using same'19965,569,979'UV absorbing fused quartz and its use for lamp envelopes'19965,552,671'UV Radiation-absorbing coatings and their use in lamps'19965,536,991'Lamp having silica protective coating'19965,526,237'Lighting system for increasing brightness to a light guide'19965,422,534'Tantala-silica interference filters and lamps using same'19955,412,274'Diffusely reflecting optical interference filters and articles including lamps reflectors and lenses'19955,402,038'Method for reducing molybdenum oxidation in lamps'19955,353,210'Reflector lamp with low UV emission'19945,258,689'Fluorescent lamps having reduced interference colors'19935,196,759'High temperature lamps having UV absorbing quartz envelope'19935,143,445'Glass reflectors LPCVD coated with optical interference film'19924,949,005'Tantala-silica interference filters and lamps using same'19904,638,214'Fluorescent lamp containing aluminate phosphor'19874,631,144'Aluminate phosphor'19864,388,094'Method and apparatus for producing tubular glass article'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983Patents assigned to CORNING GLASS WORKS (1)· patent assignee history
1983Based in Elmira, NY, US· patent location history
1986–2004Patents assigned to GEN ELECTRIC (24)· patent assignee history
1986–1999Based in Gates Mills, OH, US· patent location history
1992Based in Mayfield Village, OH, US· patent location history
2002Patents assigned to GEN EECTRIC COMPANY (1)· patent assignee history
2002–2005Based in Livermore, CA, US· patent location history
2005Patents assigned to UNIV CALIFORNIA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 24 | 1986–2004 |
| CORNING GLASS WORKS | 1 | 1983 |
| GEN EECTRIC COMPANY | 1 | 2002 |
| UNIV CALIFORNIA | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gates Mills, OH, US | 22 | 1986–1999 |
| Livermore, California, US | 3 | 2002–2005 |
| Mayfield Village, OH, US | 1 | 1992 |
| Elmira, New York, US | 1 | 1983 |