US 5638550 A

GPTKB entity

Statements (80)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a high strength, high toughness steel.
A method for producing a ceramic body with improved density and strength.
gptkbp:applicationNumber 08/370,052
gptkbp:applicationPublication gptkb:US_5638550_A
gptkbp:applicationType utility
gptkbp:assignee gptkb:Hsu_Robert_J._H.
gptkbp:assigneeCountry gptkb:USA
gptkbp:benefits high strength
high density
low porosity
gptkbp:citedBy gptkb:US_5900130_A
gptkb:US_5783030_A
gptkb:US_5902500_A
gptkb:US_6346220_B1
gptkb:US_6146880_A
gptkb:US_6013350_A
US 6010590 A
US_5783035_A
gptkbp:claims 20
gptkbp:country gptkb:United_States
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention ceramics
metallurgy
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate January 12, 1995
gptkbp:grantDate June 10, 1997
gptkbp:hasFieldOfUse telecommunications
construction
consumer goods
aerospace
automotive
defense
electronics
medical devices
energy storage
environmental technology
https://www.w3.org/2000/01/rdf-schema#label US 5638550 A
gptkbp:internationalClassification C21D 1/00
gptkbp:inventor gptkb:Robert_J._H._Hsu
gptkbp:inventorCountry gptkb:USA
gptkbp:isInvolvedIn drying
mixing
shaping
sintering
gptkbp:issuedOn June 10, 1997
gptkbp:language English
gptkbp:legalStatus active
gptkbp:material ceramic materials
gptkbp:numberOfClaims 20
gptkbp:numberOfFigures 5
gptkbp:patentClassification mechanical engineering
gptkbp:patentExpiration 2017-06-10
gptkbp:patentFamily US_5638550_A_family
gptkbp:patentField engineering
industrial applications
material science
steel production
metallurgical processes
high strength steel
toughness steel
gptkbp:patentFilingDate gptkb:US_5638550_A
gptkbp:patentNumber 5638550
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentType granted
gptkbp:priorityDate March 30, 1995
March 15, 1995
gptkbp:relatedPatent gptkb:US_5638553_A
gptkb:US_5638554_A
gptkb:US_5638555_A
gptkb:US_5638552_A
US_5638551_A
gptkbp:relatedTo gptkb:US_5638553_A
gptkb:US_5638554_A
gptkb:US_5638555_A
gptkb:US_5638552_A
US_5638551_A
gptkbp:status expired
gptkbp:title Method for producing a high strength, high toughness steel
Method for producing a high density, high strength, low porosity ceramic body