WINFIELD INDUSTRIES

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 194
 
  
 
A61L METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES 170
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 197

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5690242 Sharps disposal container cap securement arrangementMar 25, 96Nov 25, 97[B65D]
5656248 Multi-stage infectious waste treatment systemJun 19, 95Aug 12, 97[A61L]
5190725 Chemical treatment of an infectious wasteApr 26, 91Mar 02, 93[A01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5425925 Multi-stage infectious waste treatment systemExpiredMar 18, 94Jun 20, 95[A61L]
5423775 Locking connector assemblyExpiredJan 21, 94Jun 13, 95[A61M]
5269832 Method and apparatus for continuously measuring the concentration of chemicals in solutionsExpiredJun 03, 92Dec 14, 93[G01N]
5213483 Peristaltic infusion pump with removable cassette and mechanically keyed tube setExpiredJun 19, 91May 25, 93[F04B]
D330427 Combined disposable bag and disinfectant container for sterilizing infectious wasteExpiredApr 19, 90Oct 20, 92[]
5154699 Safety winged needle device for use with fistulasExpiredJul 11, 90Oct 13, 92[A61B]
5139483 Medical intravenous administration line connectorExpiredDec 12, 91Aug 18, 92[A61M]
5088982 Safety winged needle medical devicesExpiredOct 13, 88Feb 18, 92[A61M]
5089228 Method for sterilizing and disposing of infectious wasteExpiredApr 19, 90Feb 18, 92[A61L]
5085639 Safety winged needle medical devicesExpiredOct 04, 89Feb 04, 92[A61M]
5067945 Safety needled medical devices capable of one-handed manipulationExpiredJan 27, 89Nov 26, 91[A61M]
5066286 Safety multiple sample luer adapter assemblyExpiredNov 08, 90Nov 19, 91[A61M]
5066287 Safety multiple sample rear adapter assemblyExpiredMay 07, 90Nov 19, 91[A61M]
5059185 Safety needled medical devicesExpiredMar 01, 88Oct 22, 91[A61M]
5001425 Ferromagnetic object detector with comparison of signal maximums from a pair of detection coilsExpiredDec 13, 89Mar 19, 91[G08B, G01N, G01R]
4923445 Safety needled medical devicesExpiredJul 27, 88May 08, 90[A61M]
4903832 Method and apparatus for cleanly storing and disposing of discarded articlesExpiredJan 19, 89Feb 27, 90[B61D]
4652260 Infusion deviceExpiredMar 11, 85Mar 24, 87[A61M]
4627835 Tubing assembly for infusion deviceExpiredMar 11, 85Dec 09, 86[A61M]
4494652 Container for sharpsExpiredJul 01, 83Jan 22, 85[B02C, B65F, B26F, A61M]

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