Inventor

ECK RALF

AT9 patents

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

SCHWARZKOPF DEV CO

3 patents

US4950327AAug 21, 1990

Creep-resistant alloy of high-melting metal and process for producing the same

SCHWARZKOPF DEV CO57 citations95

US5051139ASep 24, 1991

Process for the manufacture of semi-finished products or preformed parts made of refractory metals and resistant to thermal creep

SCHWARZKOPF DEV CO20 citations81

US4780902AOct 25, 1988

Rotary anode for X-ray tubes

SCHWARZKOPF DEV CO3 citations61

BOSCH GMBH ROBERT

2 patents

US5239700AAug 24, 1993

Multi-choice information system for a motor vehicle

BOSCH GMBH ROBERT188 citations96

US5086510AFeb 4, 1992

Multi-choice information system for a motor vehicle

BOSCH GMBH ROBERT131 citations95

SIEMENS AG

1 patent

US5407758AApr 18, 1995

Material for the metal components of high-temperature fuel cell systems

SIEMENS AG29 citations91

HOESCH STAHL AG

1 patent

US5021627AJun 4, 1991

Electrode for resistance welding surface-treated sheets of steel and method of manufacturing such electrodes

HOESCH STAHL AG37 citations90

(unassigned)

1 patent

US5608174AMar 4, 1997

Chromium-based alloy

13 citations71

SCHWARZKOPF TECHNOLOGIES CORP

1 patent

US5102474AApr 7, 1992

Process for manufacturing semi-finished products from sintered refractory metal alloys

SCHWARZKOPF TECHNOLOGIES CORP6 citations61