HYDROCHEM LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 751
 
  
 
B67B APPLYING CLOSURE MEMBERS TO BOTTLES, JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS 212
 
  
 
F28G CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS 26
 
  
 
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
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9605915 Semi-automated heat exchanger tube cleaning assembly and methodSep 19, 11Mar 28, 17[B08B, F28G]
9359168 Storage apparatus for cleaning lanceAug 16, 13Jun 07, 16[B65H]
9216885 Bladder and engagement device for storage tankDec 07, 10Dec 22, 15[B67B, B65D]
9074830 Driving apparatus for one or more cleaning lancesOct 15, 10Jul 07, 15[B08B, F28G]
8919391 Multilayered bladder and carbon scrubber for storage tankDec 07, 10Dec 30, 14[B65F, B65D]
8763855 Mounted bladder for storage tankDec 07, 10Jul 01, 14[B67B]
8524011 Automated heat exchanger tube cleaning assembly and systemNov 11, 11Sep 03, 13[B08B]
8308869 Automated heat exchanger tube cleaning assembly and systemNov 11, 11Nov 13, 12[B08B]
8057607 Automated heat exchanger tube cleaning assembly and systemMar 20, 09Nov 15, 11[B08B, G05D]
6478033 Methods for foam cleaning combustion turbinesMay 26, 00Nov 12, 02[B08B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0052,029 Driving Apparatus for One or More Cleaning LancesAbandonedMay 13, 15Feb 25, 16[B08B]
6503334 Forced mist cleaning of combustion turbinesExpiredMar 14, 01Jan 07, 03[B08B]
6491048 Manifold for use in cleaning combustion turbinesExpiredMay 26, 00Dec 10, 02[B08B]

Top Inventors for This Owner

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