US 5056789 B2

GPTKB entity

Statements (21)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing process efficiency.
gptkbp:applicationNumber 07/401,234
gptkbp:applicationType Utility
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US 6000000 B1
gptkbp:claims 20
gptkbp:class B01D 53/86
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Manufacturing
gptkbp:filingDate 1990-05-15
gptkbp:firstClaim A method comprising the steps of...
https://www.w3.org/2000/01/rdf-schema#label US 5056789 B2
gptkbp:internationalClassification C02F 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:issuedOn 1991-10-15
gptkbp:priorityDate 1989-05-15
gptkbp:relatedTo gptkb:US_5056788_B2
gptkbp:status Active
gptkbp:subclass B01D 53/00
gptkbp:title Method for improving the efficiency of a process