PHILIP SERVICES CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 254
 
 
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
 
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157
 
 
 
B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD 122

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5564179 Heat exchanger bundle extractor assemblyNov 01, 94Oct 15, 96[B23P]
5451002 Multi-lance for cleaning tube bundlesAug 02, 93Sep 19, 95[B08B]
5403145 Street legal, mobile, truck mounted tube bundle pulling apparatusApr 01, 94Apr 04, 95[B66F]
5323529 Heat exchanger bundle extractor assembly and methodDec 10, 92Jun 28, 94[B23P]
5261600 Vertical tube bundle cleanerNov 30, 92Nov 16, 93[B05B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5708253 Apparatus and method for computerized interactive control, measurement and documentation of arc weldingExpiredJun 07, 95Jan 13, 98[B23K]
5032054 Aerial bundle pullerExpiredAug 29, 89Jul 16, 91[B66F]
4869638 Aerial bundle pullerExpiredNov 04, 87Sep 26, 89[B66F]
4856545 Multi-lange tube bundle cleanerExpiredNov 07, 88Aug 15, 89[B08B]
4805653 Mobile articulatable tube bundle cleanerExpiredSep 09, 85Feb 21, 89[B08B]
4666365 Tube bundle pulling apparatusExpiredNov 18, 83May 19, 87[B23P]
4575305 Truck mounted tube bundle pulling apparatusExpiredNov 18, 83Mar 11, 86[B60P]

Top Inventors for This Owner

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