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SAFETY KLEEN CORP

Overview
  • Total Patents
    118
About

SAFETY KLEEN CORP has a total of 118 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets chemical engineering, surface technology and coating and machines are JINAN RUIDONG IND CO LTD, REFINED TECHNOLOGIES INC and BUDICH INT GMBH.

Patent filings per year

Chart showing SAFETY KLEEN CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Otzen Karl G 30
#2 Larson Douglas A 17
#3 Kiany Esfandiar 12
#4 Osmanski Frank A 11
#5 Danowski Thomas J 11
#6 Kusz John P 9
#7 Dingess John A 8
#8 Holden Stephen 6
#9 Llewellyn Michael 6
#10 Justice John C 5

Latest patents

Publication Filing date Title
US5710373A Visual comparator with test chart and method for evaluating contamination of washing fluids
US5698774A Apparatus and method for determining concentrations of oil or other non-volatile contaminants in cleaning solvents
US5720308A Parts washer with solvent flow control
WO9601915A1 Compositions and methods for treating cleaning solvents
AU2963095A Enhanced solvent composition
US5598861A Parts washer with solvent flow control
US6004434A Method of recycling cleaning solvent
US5478465A Composite liquid filter
US5445038A Apparatus for sampling fluids in containers
US5334291A On-site, controlled waste concentrator and solvent regenerator apparatus
US5350079A Safety cover assembly for open container
US5255492A Detachable cover and drum liner for storage and transport of controlled materials
US5435458A Chemical spill containment apparatus
US5353951A Serviceable storage and transport container
US5154308A Detachable cover and drum liner for storage and transport of controlled materials
US5138735A Buffing pad and attachment system therefor
IE900876L Cleaning composition
US5090559A Reusable garment bags for drycleaning
US5052422A All weather apparatus for cleaning pipe threads
AU5076890A Cleaning compositions and methods