DTM CORPORATION

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 144

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
6051195 Synthesis gas heat exchanger unitNov 26, 97Apr 18, 00[F28D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5385780 Sinterable mass of polymer powder having resistance to caking and method of preparing the massExpiredJul 14, 93Jan 31, 95[B28B, B29C, B32B]
5304329 Method of recovering recyclable unsintered powder from the part bed of a selective laser-sintering machineExpiredNov 23, 92Apr 19, 94[B29C]
5185108 Method for producing wax microspheresExpiredJul 10, 91Feb 09, 93[B29B]
4247508 Molding processExpiredDec 03, 79Jan 27, 81[B29C]

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!.