Vaportek, Inc.

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Patent Activity in the Last 10 Years

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Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D403758 Housing for an odorous substanceJan 05, 98Jan 05, 99[2304]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6249919 Passive deodorization deviceExpiredFeb 04, 99Jun 26, 01[E03D]
D363772 Air treatment device enclosureExpiredOct 15, 93Oct 31, 95[]
5388762 Device for dispensing a vaporizable materialExpiredApr 07, 93Feb 14, 95[A61L]
5378254 Filter sensing apparatus and filter thereforExpiredOct 15, 93Jan 03, 95[B01D]
5328646 Air flow control system with replaceable cartridgeExpiredOct 15, 93Jul 12, 94[B01F]
5281401 Vapor dispensing systemExpiredMay 08, 92Jan 25, 94[A61L]
5148984 Device for dispensing a vaporizable materialExpiredMar 14, 91Sep 22, 92[A61L]
5029756 Dispensing deviceExpiredJun 19, 89Jul 09, 91[A61L]
4664312 Air freshener dispensing apparatusExpiredDec 09, 85May 12, 87[A61L]
4610394 Molded dispensing containerExpiredMar 19, 81Sep 09, 86[A61L]
D274837 Air purifierExpiredNov 29, 82Jul 24, 84[]
4377399 Air freshening deviceExpiredFeb 06, 81Mar 22, 83[B01F]
D267114 Air purifierExpiredJul 24, 80Nov 30, 82[D230]
4303617 Atmospheric control apparatusExpiredAug 04, 80Dec 01, 81[C01G, C01F]
4272261 Air purifying deviceExpiredMay 01, 80Jun 09, 81[A61L, B01D]

Top Inventors for This Owner

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