P

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 patents
US11274520B2Mar 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 patents

APPLIED MATERIALS INC

4 patents

CRYODYNAMICS LLC

2 patents

WYSE TECHNOLOGY INC

2 patents

KARMANOS B A CANCER INST

1 patent

ETHICON INC

1 patent

ENDOCARE INC

1 patent

CRYO DYNAMICS LLC

1 patent

QWEST COMM INT INC

1 patent

AARDEE SPRING & LOCK CO

1 patent

LITTRUP PETER J

1 patent

BROWN TRACTORS LTD

1 patent

DUNCAN ROBERT

1 patent

3COM CORP

1 patent

UNIV TEXAS TECH SYSTEM

1 patent

MACCAL COMPANY INC

1 patent

MARMON FOODSERVICE TECHNOLOGIES INC

1 patent

Showing the top 50 of 51 patents by PatentIndex Score.