LexDanaLexDanabeta
Inventor

Christopher R. Hern

Inventor
Porter, TX, US

Overview

16→
Patents
2016–2021
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 16 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary
E21BEarth or rock drilling80%
F16KValves5%
F16LPipes5%
H01FMagnets5%
H01TSpark gaps5%
PatentTitleYear
10,954,732Hydraulically set open hole whipstock202110,822,929Electrohydraulic movement of downhole components and method202010,801,283Magnetic pulse actuation arrangement for downhole tools and method202010,760,363Lock ring segments biased into locked position while retained in position with an exterior profile202010,738,542Actuating force control for downhole tools202010,626,705Magnetic pulse actuation arrangement having layer and method202010,526,856Hydraulically set open hole whipstock202010,202,818Expandable sealing assembly and downhole system201910,087,702Plug releaser and method of limiting pressure differential across plugs201810,081,997Watermelon mill with replaceable cutting structure20189,759,027'Slip with altering load distribution feature'20179,752,418'Slip with altering load distribution feature'20179,719,321'Subterranean tool for release of balls adjacent their intended destinations'20179,611,722'Top down liner cementing, rotation and release method'20179,464,748'Tubular occlusion and pressure damping system and temporal pressure controlling arrangement'20169,453,390'Subterranean tool for release of darts adjacent their intended destinations'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016–2018Patents assigned to BAKER HUGHES INC (7)· patent assignee history
2016–2020Patents assigned to HERN CHRISTOPHER RYAN (6)· patent assignee history
2016–2018Patents assigned to EWING DANIEL C (2)· patent assignee history
2016–2020Based in Kingwood, TX, US· patent location history
2017–2021Based in Porter, TX, US· patent location history
2018–2021Patents assigned to BAKER HUGHES A GE CO LLC (9)· patent assignee history
2019–2020Patents assigned to EWING DANIEL (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAKER HUGHES A GE CO LLC92018–2021
BAKER HUGHES INC72016–2018
HERN CHRISTOPHER RYANself62016–2020
EWING DANIEL42019–2020
EWING DANIEL C22016–2018
Locations
LocationPatentsSpan
Porter, Texas, US112017–2021
Kingwood, Texas, US52016–2020