Elektroschmelzwerk Kempten GmbH
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 05, 1996 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 484 Total Citation Count
- Nov 15, 1978 Earliest Filing
- 35 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5571483 System of converting environmentally pollutant waste gases to a useful productExpiredJan 26, 90Nov 05, 96[B01J]
5232951 Method of converting environmentally pollutant waste gases to methanolExpiredJan 21, 92Aug 03, 93[C07C]
5045512 Mixed sintered metal materials based on borides, nitrides and iron binder metalsExpiredNov 02, 90Sep 03, 91[C04B]
4970036 Process for producing green compacts by molding sinterable ceramic mixtures based on silicon nitrideExpiredJul 05, 89Nov 13, 90[C04B]
4814301 Polycrystalline sintered articles based on silicon nitride and sintering additivesExpiredDec 21, 87Mar 21, 89[C04B]
4814302 Stable slip-casting compositions having a base of powders containing finely divided aluminum nitrideExpiredOct 17, 86Mar 21, 89[C04B]
4803183 Dense molded bodies of polycrystalline aluminum nitride and process for preparation without use of sintering aidsExpiredFeb 20, 87Feb 07, 89[C04B]
4756482 Process for the manufacture of sinterable silicon carbide and/or boron carbide powdersExpiredJul 22, 87Jul 12, 88[B02C]
4748313 Apparatus by the continuous vaporization of inorganic compositions by means of a photon-generating thermal source of radiation heatExpiredAug 15, 86May 31, 88[H05B]
4743571 Polycrystalline sintered bodies on a base of silicon nitride with high fracture toughness and hardnessExpiredFeb 26, 87May 10, 88[C04B]
4732620 Thermoelement comprising a graphite/boron carbide thermocoupleExpiredMar 14, 86Mar 22, 88[H01L]
4687655 Process for the manufacture of shaped articles from reaction-bonded silicon nitride by nitridation under elevated nitrogen gas pressureExpiredApr 11, 86Aug 18, 87[C01B, C04B]
4684480 Ceramic bonded neutron absorber plates of boron carbide and free carbonExpiredNov 13, 84Aug 04, 87[G21F, C04B]
4661740 Polycrystalline sintered bodies based on lanthanum hexaboride, and a process for their manufactureExpiredApr 21, 86Apr 28, 87[A47B, H01B]
4637837 Process for boriding metals and metal alloys by means of solid boriding agentsExpiredJun 20, 85Jan 20, 87[C23C]
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!.