Inventor

Charles D. Greskovich

Inventor

Schenectady, NY, US

Overview

1976–2008

Patent span

Chemistry

Primary field (CPC C)

Patents· 64 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C04Bprimary

C04BLime, magnesia32%

C09KMaterials for miscellaneous applications, not provided for elsewhere17%

G01TMeasurement of nuclear or x-radiation15%

H01JElectric discharge tubes or discharge lamps7%

B22CFoundry moulding5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

G21KHandling of particles or ionising radiation not otherwise provided for3%

B22DCasting of metals2%

C30BSingle-crystal growth2%

H01BCables2%

PatentTitleYear

7,382,097'Injection molded ceramic metal halide arc tube having non-tapered end and method of forming same'2008 7,297,037'Ceramic discharge chamber for a discharge lamp'2007 7,098,460'Monolithic structure for x-ray CT collimator'2006 7,019,284'Ultraviolet emitting scintillators for oil detection'2006 6,796,869'Ceramic arc tube by annealing'2004 6,793,848'Terbium or lutetium containing garnet scintillators having increased resistance to radiation damage'2004 6,791,266'Ceramic discharge chamber for a discharge lamp'2004 6,768,326'SiC photodiode detectors for radiation detection applications'2004 6,741,033'High transmittance alumina for ceramic metal halide lamps'2004 6,639,362'High pressure discharge lamp'2003 6,583,563'Ceramic discharge chamber for a discharge lamp'2003 6,496,250'Combinatorial method foe development of optical ceramics'2002 6,475,942'Conversion of polycrystalline alumina to single crystal sapphire using molybdenum doping'2002 6,402,987'YMO4:Eu,L phoshpor with improved lumen maintenance'2002 6,361,735'Composite ceramic article and method of making'2002 6,093,347'Rare earth X-ray scintillator compositions'2000 5,882,547'X-ray scintillators and devices incorporating them'1999 5,866,982'Arctube for high pressure discharge lamp'1999 5,521,387'Radiation detector employing solid-state scintillator material and preparation methods therefor'1996 5,484,750'Transparent polycrystalline garnets'1996 5,391,876'Hole-trap-compensated scintillator material and computed tomography machine containing the same'1995 5,360,557'Hole-trap-compensated scintillator for computed tomography machine'1994 5,318,722'Hole-trap-compensated scintillator material'1994 5,100,598'Method of forming yttria-gadolinia ceramic scintillator from ammonium dispersed oxalate precipitates'1992 5,057,692'High speed, radiation tolerant, CT scintillator system employing garnet structure scintillators'1991 5,013,696'Preparation of high uniformity polycrystalline ceramics by presintering, hot isostatic pressing and sintering and the resulting ceramic'1991 4,870,279'High resolution X-ray detector'1989 4,783,596'Solid state scintillator and treatment therefor'1988 4,769,353'Strontium-containing yttrium oxide ceramic body'1988 4,755,492'Yttrium oxide ceramic body'1988 4,747,973'Rare-earth-doped yttria-gadolina ceramic scintillators'1988 4,571,312'Preparation of yttria-gadolinia ceramic scintillators by sintering and gas hot isostatic pressing'1986 4,525,628'Rare earth ceramic scintillator'1985 4,518,546'Preparation of yttria-gadolinia ceramic scintillators by sintering and gas hot isostatic pressing'1985 4,518,545'Method for sintering high density yttria-gadolinia ceramic scintillators'1985 4,473,513'Method for sintering high density yttria-gadolinia ceramic scintillators'1984 4,466,929'Preparation of yttria-gadolinia ceramic scintillators by vacuum hot pressing'1984 4,466,930'Preparation of yttria-gadolinia ceramic scintillators by vacuum hot pressing'1984 4,421,671'Rare-earth-doped yttria-gadolinia ceramic scintillators'1983 4,379,110'Sintering of silicon nitride to high density'1983 4,374,792'Sintering of silicon nitride with Be additive'1983 4,279,656'Light-transmitting silicon nitride'1981 4,279,657'Light-transmitting silicon nitride'1981 4,225,356'Sintering of silicon nitride using Be additive'1980 4,221,594'Material composition for fired ceramic articles having a high degree of porosity and crushability characteristics'1980 4,188,450'Shell investment molds embodying a metastable mullite phase in its physical structure'1980 4,187,266'Process for making a ceramic article having a dense integral outer barrier layer and a high degree of porosity and crushability characteristics'1980 4,156,614'Alumina-based ceramics for core materials'1979 4,141,781'Method for rapid removal of cores made of .beta.Al.sub.2 O.sub.3 from directionally solidified eutectic and superalloy and superalloy materials'1979 4,124,402'Hot pressing of silicon nitride using magnesium silicide'1978 4,124,403'Hot pressing of silicon nitride using beryllium additive'1978 4,122,140'Hot pressing of silicon nitride using beryllium additive'1978 4,122,155'Preparation of silicon nitride powder'1978 4,119,689'Sintering of silicon nitride using Be additive'1978 4,119,475'Sintering of silicon nitride using Mg and Be additives'1978 4,119,690'Sintering of silicon nitride using Mg and Be additives'1978 4,093,687'Hot pressing of silicon nitride using magnesium silicide'1978 4,040,849'Polycrystalline silicon articles by sintering'1977 4,040,848'Polycrystalline silicon articles containing boron by sintering'1977 4,031,945'Process for making ceramic molds having a metal oxide barrier for casting and directional solidification of superalloys'1977 4,026,344'Method for making investment casting molds for casting of superalloys'1977 4,017,319'Si.sub.3 N.sub.4 formed by nitridation of sintered silicon compact containing boron'1977 3,972,367'Process for forming a barrier layer on ceramic molds suitable for use for high temperature eutectic superalloy casting'1976 3,955,616'Ceramic molds having a metal oxide barrier for casting and directional solidification of superalloys'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2008Patents assigned to GEN ELECTRIC (64)· patent assignee history

1976–2008Based in Schenectady, NY, US· patent location history

1989–2002Based in Niskayuna, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN ELECTRIC	64	1976–2008

Locations

Location	Patents	Span
Schenectady, New York, US	60	1976–2008
Niskayuna, New York, US	4	1989–2002