Inventor
SCHWARZ ROBERT
US21 patents
⚠️ This page may combine multiple inventors who share the name “SCHWARZ ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEGUSSA
4 patentsUS5767036AJun 16, 1998
Platinum-aluminum alloy catalyst for fuel cells and method of its production and use
DEGUSSA116 citations98
US6007934ADec 28, 1999
Co-tolerant anode catalyst for PEM fuel cells and a process for its preparation
DEGUSSA133 citations97
US5489563AFeb 6, 1996
Platinum alloy catalyst for fuel cells and method of its production
DEGUSSA83 citations95
US6165635ADec 26, 2000
Pt/Rh/Fe alloy catalyst for fuel cells and a process for producing the same
DEGUSSA42 citations92
SIEMENS AG
4 patentsUS4282452AAug 4, 1981
Method and circuit arrangement for energizing ultrasonic transducers which are utilized in impulse echo technology
SIEMENS AG15 citations73
US5159576AOct 27, 1992
Automatic sensor identification for ultrasonic proximity switches
SIEMENS AG4 citations61
US5144593ASep 1, 1992
Integrated automatic control for ultrasonic proximity switches
SIEMENS AG4 citations61
US11297049B2Apr 5, 2022
Linking a terminal into an interconnectable computer infrastructure
SIEMENS AG0 citations52