WASHINGTON GROUP INTERNATIONAL, INC.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B27N MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL 112
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
B30B PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR 121
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 158

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7107774 Method and apparatus for combined cycle power plant operationJun 17, 04Sep 19, 06[F02C]
6143220 Apparatus and method for making compressed agricultural fiber structural boardJul 02, 99Nov 07, 00[B27N]
5945132 Apparatus for making compressed agricultural fiber structural boardJan 30, 97Aug 31, 99[B29C, B30B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0020,179 Leakproof draft system pressure/vacuum relief device for power plantsAbandonedJul 09, 08Jan 22, 09[F16L]
2009/0001,335 Redeployable barrier fence systemAbandonedJun 13, 08Jan 01, 09[E01F, E04H]
5025150 Site survey method and apparatusExpiredOct 14, 88Jun 18, 91[G01V]
4994230 Template method for replacing a vessel in a pipe systemExpiredSep 19, 89Feb 19, 91[G21C]
4848918 Mixing apparatusExpiredAug 04, 88Jul 18, 89[B01F]
4765257 Apparatus and method for waste disposalExpiredDec 02, 87Aug 23, 88[F23G, F23B]
4735784 Method of treating fluoride contaminated wastesExpiredJul 11, 86Apr 05, 88[C01B, C04B, C01F]
4682926 Ceiling panel placing machineExpiredJan 02, 86Jul 28, 87[E04G]
4404180 Manufacture of hydrogen sulfideExpiredAug 13, 81Sep 13, 83[C22B, C01B, C01G]
4332774 Manufacture of hydrogen sulfideExpiredAug 19, 80Jun 01, 82[C22B, C01B, C01G]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.