Inventor
DUNCAN ROBERT
US51 patents
⚠️ This page may combine multiple inventors who share the name “DUNCAN ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INTELLIGENT WELLHEAD SYSTEMS INC
16 patentsUS11274520B2Mar 15, 2022
Apparatus, system and process for regulating a control mechanism of a well
INTELLIGENT WELLHEAD SYSTEMS INC21 citations93
US11608708B2Mar 21, 2023
Apparatus, system and process for regulating a control mechanism of a well
INTELLIGENT WELLHEAD SYSTEMS INC5 citations84
US12215566B2Feb 4, 2025
Apparatus, system and method for regulating a control mechanism of a well
INTELLIGENT WELLHEAD SYSTEMS INC2 citations73
US12084944B2Sep 10, 2024
Apparatus, system and process for regulating a control mechanism of a well
INTELLIGENT WELLHEAD SYSTEMS INC2 citations71
US11988065B2May 21, 2024
Apparatus, system and process for regulating a control mechanism of a well
INTELLIGENT WELLHEAD SYSTEMS INC2 citations71
US11814953B2Nov 14, 2023
Apparatus, system, and method for indicating a position of valve of wellsite equipment
INTELLIGENT WELLHEAD SYSTEMS INC1 citations70
US12571284B2Mar 10, 2026
Apparatus, system and process for regulating a control mechanism of a well
INTELLIGENT WELLHEAD SYSTEMS INC0 citations61
US12560077B2Feb 24, 2026
Apparatus, system, and method for indicating a position of an actuator of wellsite equipment
INTELLIGENT WELLHEAD SYSTEMS INC0 citations61
US12326064B2Jun 10, 2025
Apparatus, system and process for regulating a control mechanism of a well
INTELLIGENT WELLHEAD SYSTEMS INC0 citations61
US12209483B2Jan 28, 2025
Apparatus, system and method for regulating a control mechanism of a well
INTELLIGENT WELLHEAD SYSTEMS INC0 citations61
US12188329B2Jan 7, 2025
Apparatus, system and method for regulating a control mechanism of a well
INTELLIGENT WELLHEAD SYSTEMS INC0 citations61
US12168927B2Dec 17, 2024
Apparatus, system, and method for indicating a position of valve of wellsite equipment
INTELLIGENT WELLHEAD SYSTEMS INC0 citations60
US11988087B2May 21, 2024
Apparatus, system, and method for indicating a position of valve of wellsite equipment
INTELLIGENT WELLHEAD SYSTEMS INC0 citations60
US11920465B2Mar 5, 2024
Apparatus, system, and method for indicating a position of valve of wellsite equipment
INTELLIGENT WELLHEAD SYSTEMS INC0 citations60
US12553335B2Feb 17, 2026
System and method for monitoring well operations
INTELLIGENT WELLHEAD SYSTEMS INC0 citations52
US12553539B2Feb 17, 2026
Apparatus, system, and method for indicating a position of valve of wellsite equipment
INTELLIGENT WELLHEAD SYSTEMS INC0 citations49
WESTINGHOUSE ELECTRIC CORP
13 patentsUS4492844AJan 8, 1985
Welding plates for a fuel rod grid
WESTINGHOUSE ELECTRIC CORP33 citations92
US4837419AJun 6, 1989
Fuel rod end plug welding apparatus and method
WESTINGHOUSE ELECTRIC CORP24 citations91
US4075454AFeb 21, 1978
Process and apparatus for sealing nuclear reactor fuel
WESTINGHOUSE ELECTRIC CORP23 citations76
US4825032AApr 25, 1989
Workpiece handling assembly
WESTINGHOUSE ELECTRIC CORP12 citations74
US4556776ADec 3, 1985
Welding fixture for nuclear reactor fuel assembly grid
WESTINGHOUSE ELECTRIC CORP15 citations74
US4521374AJun 4, 1985
Fuel grid with sleeves welded in notched grid straps
WESTINGHOUSE ELECTRIC CORP18 citations74
US4101752AJul 18, 1978
Process for welding corner cells in fuel assembly grids
WESTINGHOUSE ELECTRIC CORP7 citations74
US4971750ANov 20, 1990
End stop for welding sealing plugs of nuclear fuel rods
WESTINGHOUSE ELECTRIC CORP13 citations73
US4522330AJun 11, 1985
Grid and sleeves welding fixture and method
WESTINGHOUSE ELECTRIC CORP19 citations73
US4007544AFeb 15, 1977
Constant load probe system for coordinate measurement machines
WESTINGHOUSE ELECTRIC CORP8 citations73
US4845331AJul 4, 1989
Pressurized weld chamber
WESTINGHOUSE ELECTRIC CORP12 citations72
US4873051AOct 10, 1989
Nuclear fuel grid outer strap
WESTINGHOUSE ELECTRIC CORP14 citations67
US4709909ADec 1, 1987
Retention strap in a grid assembly fixture
WESTINGHOUSE ELECTRIC CORP5 citations62
APPLIED MATERIALS INC
4 patentsUS6447651B1Sep 10, 2002
High-permeability magnetic shield for improved process uniformity in nonmagnetized plasma process chambers
APPLIED MATERIALS INC501 citations98
US7722737B2May 25, 2010
Gas distribution system for improved transient phase deposition
APPLIED MATERIALS INC23 citations90
US6633076B2Oct 14, 2003
Methods and apparatus for producing stable low k FSG film for HDP-CVD
APPLIED MATERIALS INC24 citations90
US6511922B2Jan 28, 2003
Methods and apparatus for producing stable low k FSG film for HDP-CVD
APPLIED MATERIALS INC22 citations90
CRYODYNAMICS LLC
2 patentsWYSE TECHNOLOGY INC
2 patentsKARMANOS B A CANCER INST
1 patentETHICON INC
1 patentENDOCARE INC
1 patentCRYO DYNAMICS LLC
1 patentQWEST COMM INT INC
1 patentAARDEE SPRING & LOCK CO
1 patentLITTRUP PETER J
1 patentBROWN TRACTORS LTD
1 patentDUNCAN ROBERT
1 patent3COM CORP
1 patentUNIV TEXAS TECH SYSTEM
1 patentMACCAL COMPANY INC
1 patentMARMON FOODSERVICE TECHNOLOGIES INC
1 patentShowing the top 50 of 51 patents by PatentIndex Score.