Inventor
DUNCAN RICHARD L
US21 patents
⚠️ This page may combine multiple inventors who share the name “DUNCAN RICHARD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT SEMICONDUCTOR CORP
11 patentsUS5533123AJul 2, 1996
Programmable distributed personal security
NAT SEMICONDUCTOR CORP474 citations97
US6081412AJun 27, 2000
Gate oxide breakdown protection circuit for deep submicron processes
NAT SEMICONDUCTOR CORP55 citations96
US5534795AJul 9, 1996
Voltage translation and overvoltage protection
NAT SEMICONDUCTOR CORP65 citations96
US5406140AApr 11, 1995
Voltage translation and overvoltage protection
NAT SEMICONDUCTOR CORP56 citations96
US6281706B1Aug 28, 2001
Programmable high speed quiet I/O cell
NAT SEMICONDUCTOR CORP71 citations94
US5555149ASep 10, 1996
Overvoltage protection
NAT SEMICONDUCTOR CORP22 citations92
US5387826AFeb 7, 1995
Overvoltage protection against charge leakage in an output driver
NAT SEMICONDUCTOR CORP29 citations92
US6127848AOct 3, 2000
Voltage translator with gate oxide breakdown protection
NAT SEMICONDUCTOR CORP18 citations84
US6437958B1Aug 20, 2002
Gate oxide protection method
NAT SEMICONDUCTOR CORP9 citations74
US5568065AOct 22, 1996
Circuit for connecting a node to a voltage source selected from alternative voltage sources
NAT SEMICONDUCTOR CORP9 citations74
US5633609AMay 27, 1997
Clock system with internal monitor circuitry for secure testing
NAT SEMICONDUCTOR CORP6 citations63
HALLIBURTON CO
8 patentsUS4665398AMay 12, 1987
Method of sampling and recording information pertaining to a physical condition detected in a well bore
HALLIBURTON CO106 citations95
US4866607ASep 12, 1989
Self-contained downhole gauge system
HALLIBURTON CO91 citations94
US4709234ANov 24, 1987
Power-conserving self-contained downhole gauge system
HALLIBURTON CO55 citations92
US4663628AMay 5, 1987
Method of sampling environmental conditions with a self-contained downhole gauge system
HALLIBURTON CO30 citations92
US5337234AAug 9, 1994
Self-contained downhole gauge system
HALLIBURTON CO22 citations91
US5153832AOct 6, 1992
Self-containing downhole gauge system
HALLIBURTON CO14 citations72
US4718027AJan 5, 1988
Dynamically adjustable linear data discriminator
HALLIBURTON CO8 citations72
US4669082AMay 26, 1987
Method of testing and addressing a magnetic core memory
HALLIBURTON CO20 citations69