MAY COATING TECHNOLOGIES, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5456869 Deckle piston compression and adjustment mechanismExpiredDec 08, 93Oct 10, 95[B29C]
4996091 Product comprising substrate bearing continuous extruded fiber forming random crisscross pattern layerExpiredDec 02, 88Feb 26, 91[B32B]
4919308 Hot melt dispenserExpiredMay 04, 89Apr 24, 90[B67D]
4911948 Method of screen printing and application of hot melt upon moving web substratesExpiredSep 07, 88Mar 27, 90[B05D]
4907741 Poppet-valve-controlled fluid nozzle applicatorExpiredMay 22, 89Mar 13, 90[B05B]
4891249 Method of and apparatus for somewhat-to-highly viscous fluid spraying for fiber or filament generation, controlled droplet generation, and combinations of fiber and droplet generation, intermittent and continuous, and for air-controlling spray depositionExpiredMar 24, 88Jan 02, 90[B05D, B05B]
4883691 Method of and apparatus for maintaining uniform hot melt coatings on thermally sensitive webs by maintaining dimensional stability of silicone and rubber-like web back-up rollsExpiredNov 14, 88Nov 28, 89[B05D]
4871593 Method of streakless application of thin controlled fluid coatings and slot nozzle - roller coater applicator apparatus thereforExpiredMar 17, 88Oct 03, 89[B05D]
4867828 Method of in-line production of successive barrier-and silicone-coated inexpensive porous and absorbent paper and similar substrates, and products produced therebyExpiredNov 02, 87Sep 19, 89[B32B]
4770909 Porous roll fluid coating applicator and methodExpiredOct 16, 87Sep 13, 88[B05D]
4746545 Fluid coating and web-handling method and apparatus particularly adapted for low-tension and/or unevenly thick websExpiredDec 16, 85May 24, 88[B05C, B05D]
4725468 Method of co-extrusion of different coating materials, including adhesive coating with intermittent non-adhering sections, and products produced therebyExpiredFeb 06, 86Feb 16, 88[A61F, E04F]
4646510 Method of and apparatus for making powder-filled pouches and the likeExpiredJan 31, 86Mar 03, 87[B65B]
4565217 Three-way poppet valve, method and apparatusExpiredJun 30, 83Jan 21, 86[B29B]
4476165 Method of and apparatus for multi-layer viscous fluid deposition such as for the application of adhesives and the likeExpiredJun 07, 82Oct 09, 84[B05C]

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