Inventor

SCHWETZ KARL A

DE8 patents

⚠️ This page may combine multiple inventors who share the name “SCHWETZ KARL A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KEMPTEN ELEKTROSCHMELZ GMBH

6 patents

US4524138AJun 18, 1985

Substantially pore-free sintered polycrystalline articles of α-silicon carbide, boron carbide and free carbon and process for their manufacture

KEMPTEN ELEKTROSCHMELZ GMBH75 citations93

US4230497AOct 28, 1980

Dense sintered shaped articles of polycrystalline α-silicon carbide and process for their manufacture

KEMPTEN ELEKTROSCHMELZ GMBH47 citations92

US4195066AMar 25, 1980

Process for the production of dense sintered shaped articles of polycrystalline boron carbide by pressureless sintering

KEMPTEN ELEKTROSCHMELZ GMBH45 citations89

US4564601AJan 14, 1986

Shaped polycrystalline silicon carbide articles and isostatic hot-pressing process

KEMPTEN ELEKTROSCHMELZ GMBH11 citations72

US4756482AJul 12, 1988

Process for the manufacture of sinterable silicon carbide and/or boron carbide powders

KEMPTEN ELEKTROSCHMELZ GMBH14 citations70

US4970036ANov 13, 1990

Process for producing green compacts by molding sinterable ceramic mixtures based on silicon nitride

KEMPTEN ELEKTROSCHMELZ GMBH1 citations49

CERADYNE INC

1 patent

US7309672B2Dec 18, 2007

Lightweight boron carbide materials with improved mechanical properties and process for their manufacture

CERADYNE INC9 citations70

WACKER CHEMIE GMBH

1 patent

US4614724ASep 30, 1986

Polycrystalline sintered compacts based on europium hexaboride and process for their manufacture

WACKER CHEMIE GMBH1 citations47