US 50515252 A1

GPTKB entity

Statements (43)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving energy efficiency in industrial processes.
gptkbp:applicationNumber 07/408,123
gptkbp:applicationPublicationNumber gptkb:US_50515252_A1
gptkbp:applicationStatus Published
gptkbp:applicationType Utility
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:assigneeCountry gptkb:USA
gptkbp:citedBy US 60000000 A1
gptkbp:claims 20
gptkbp:class Energy conservation
gptkbp:country gptkb:United_States
gptkbp:documentType A1
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Energy efficiency
gptkbp:filingDate 1990-09-24
https://www.w3.org/2000/01/rdf-schema#label US 50515252 A1
gptkbp:internationalClassification F24F_11/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedBy 1991-09-24
gptkbp:language English
gptkbp:legalStatus Active
gptkbp:patentAbstract A method for improving energy efficiency in industrial processes.
gptkbp:patentAssignee gptkb:Acme_Corporation
gptkbp:patentCitation gptkb:US_40000000_A1
gptkbp:patentClassification H02J 3/00
gptkbp:patentExpiration 2011-09-24
gptkbp:patentFamily US_50515252_A1,_US_50515251_A1
gptkbp:patentField Energy efficiency
gptkbp:patentFilingDate 1991-03-26
1990-09-24
1991-09-24
gptkbp:patentInventor gptkb:John_Doe
gptkbp:patentNumber 50515252
gptkbp:patentStatus Active
gptkbp:patentType Utility patent
gptkbp:priorityDate 1989-09-24
gptkbp:publicationDate 1991-03-26
gptkbp:relatedTo gptkb:US_50515251_A1
gptkbp:status granted
gptkbp:subclass Method of operation
gptkbp:title Method for improving efficiency