WEMS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 2132
 
  
 
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
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B25J MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES 157
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9878283 Recirculating inert gas purification apparatus used with gloveboxes, gloveboxes incorporating the same, thermal protection systems for gloveboxes and methods of using the sameNov 11, 16Jan 30, 18[B25J, B01D]
7799217 System for solvent purificationFeb 19, 09Sep 21, 10[C02F]
7501066 Method for solvent purificationMar 03, 06Mar 10, 09[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0193,306 METHOD AND SYSTEM FOR SOLVENT PURIFICATIONAbandonedJan 24, 12Aug 02, 12[B01D]
6914218 Vacuum oven, system incorporating the same and method of using the sameExpiredOct 10, 02Jul 05, 05[F27B]
6816033 Electromagnetic interference filterExpiredMay 19, 03Nov 09, 04[H03H, H01G]
6384875 Video display positioning systemExpiredJun 01, 01May 07, 02[H04N]
5404567 Method of distributing audio programming to passenger entertainment systems, and apparatusExpiredJul 16, 93Apr 04, 95[H04H]

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