Inventor

Roy W. Rice

Inventor

Alexandria, VA, US

Overview

27→

Patents

1978–1994

Patent span

Chemistry

Primary field (CPC C)

Patents· 27 as inventor

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

C04Bprimary

C04BLime, magnesia36%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

Y10TTechnical subjects covered by former us classification8%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%

H01BCables5%

H05KPrinted circuits5%

C03CChemical composition of glasses, glazes or vitreous enamels3%

H10NElectric solid-state devices not otherwise provided for3%

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general2%

B22FWorking metallic powder2%

PatentTitleYear

5,342,562'Reaction processing of AlN/SiC composites and solid solutions'1994 5,228,245'Non-machining surface strengthening of transformation toughened materials'1993 5,194,480'Thermally conductive elastomer'1993 5,194,129'Manufacture of optical ferrules by electrophoretic deposition'1993 5,176,732'Method for making low sodium hollow glass microspheres'1993 5,167,885'Method for making sintered bodies'1992 5,167,886'Hot pressing densification aid for alumina'1992 5,164,345'Al.sub.2 O.sub.3 /B.sub.4 C/SiC composite'1992 5,120,483'Rare earth boride/alumina composites and methods of making'1992 5,120,685'Sintered silicon nitride'1992 5,102,749'Electronic package comprising aluminum nitride and aluminum nitride-borosilicate glass composite'1992 5,073,526'Electronic package comprising aluminum nitride and aluminum nitride-borosilicate glass composite'1991 5,034,593'Coated welding cups'1991 5,030,599'Silicon nitride sintered materials'1991 5,017,434'Electronic package comprising aluminum nitride and aluminum nitride-borosilicate glass composite'1991 4,928,645'Ceramic composite valve for internal combustion engines and the like'1990 4,920,640'Hot pressing dense ceramic sheets for electronic substrates and for multilayer electronic substrates'1990 4,683,161'Ceramic body with ordered pores'1987 4,642,218'Hot rolling of ceramics by the use of self propagating synthesis'1987 4,642,271'BN coating of ceramic fibers for ceramic fiber composites'1987 4,568,650'Oxidation of reduced ceramic products'1986 4,304,870'Ablative-resistant dielectric ceramic articles'1981 4,233,477'Flexible, shapeable, composite acoustic transducer'1980 4,131,444'Method for increasing the strength and density of lead titanate ceramic bodies'1978 4,124,671'Method for strengthening PZT transducers'1978 4,097,294'Preparation of ceramics'1978 4,069,059'Silicon nitride-zirconium silicate ceramics'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1987Patents assigned to US NAVY (9)· patent assignee history

1978–1994Based in Alexandria, VA, US· patent location history

1987Patents assigned to PIEZO ELECTRIC PROD (1)· patent assignee history

1990–1994Patents assigned to GRACE W R & CO (16)· patent assignee history

1991Patents assigned to ENLOE JACK H (1)· patent assignee history

1991Patents assigned to LAU JOHN W (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GRACE W R & CO	16	1990–1994
US NAVY	9	1978–1987
ENLOE JACK H	1	1991
LAU JOHN W	1	1991
PIEZO ELECTRIC PROD	1	1987

Locations

Location	Patents	Span
Alexandria, Virginia, US	27	1978–1994