Inventor · Edmonton, AB, CA

Eric Mulhern

24Patents
9h-index
11Co-inventors
64Inventor score

Filing activity: Jul 16, 2014 → Sep 29, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US9494021B2 Perforation gun components and system Fixed Constructions 118 Active
US9702680B2 Perforation gun components and system Mechanical Engineering; Lighting; Heating 79 Active
US10472938B2 Perforation gun components and system Mechanical Engineering; Lighting; Heating 72 Active
US10429161B2 Perforation gun components and systems Mechanical Engineering; Lighting; Heating 61 Active
US10844697B2 Perforation gun components and system Mechanical Engineering; Lighting; Heating 35 Active
USD904475S1 Tandem sub General 18 Active
US11021923B2 Detonation activated wireline release tool Fixed Constructions 15 Active
USD903064S1 Alignment sub General 12 Active
US11339614B2 Alignment sub and orienting sub adapter Fixed Constructions 11 Active
USD922541S1 Alignment sub General 9 Active
US11125056B2 Perforation gun components and system Mechanical Engineering; Lighting; Heating 8 Active
US11608720B2 Perforating gun system with electrical connection assemblies Mechanical Engineering; Lighting; Heating 7 Active
US11542792B2 Tandem seal adapter for use with a wellbore tool, and wellbore tool string including a tandem seal adapter Mechanical Engineering; Lighting; Heating 5 Active
US9988885B1 Method of initiating a percussion initiator Mechanical Engineering; Lighting; Heating 4 Active
US10865626B2 Hydraulic underbalance initiated safety firing head, well completion apparatus incorporating same, and method of use Fixed Constructions 1 Active
US11408258B2 Hydraulic underbalance initiated safety firing head, well completion apparatus incorporating same, and method of use Fixed Constructions 1 Active
US12078038B2 Perforating gun orientation system Mechanical Engineering; Lighting; Heating 0 Active
US9890619B2 Ballistic transfer module Mechanical Engineering; Lighting; Heating 0 Active
US11661823B2 Perforating gun assembly and wellbore tool string with tandem seal adapter Mechanical Engineering; Lighting; Heating 0 Active
US11634956B2 Detonation activated wireline release tool Fixed Constructions 0 Active
US11788389B2 Perforating gun assembly having seal element of tandem seal adapter and coupling of housing intersecting with a common plane perpendicular to longitudinal axis Mechanical Engineering; Lighting; Heating 0 Active
US10816311B2 Electronic time delay fuse Mechanical Engineering; Lighting; Heating 0 Active
US12215576B2 Single charge perforation gun and system Mechanical Engineering; Lighting; Heating 0 Active
US11988049B2 Alignment sub and perforating gun assembly with alignment sub Fixed Constructions 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.