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Inventor

BROWN DONAVAN HOLLAND

US8 patents
⚠️ This page may combine multiple inventors who share the name “BROWN DONAVAN HOLLAND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BROWN DONAVAN HOLLAND

4 patents
US10907444B1Feb 2, 2021

Choke system for a downhole valve

BROWN DONAVAN HOLLAND2 citations66
US11098558B2Aug 24, 2021

Injection valve arrangement with switched bypass and method

BROWN DONAVAN HOLLAND0 citations56
US11566516B2Jan 31, 2023

Indexing valve system for a resource exploration and recovery system

BROWN DONAVAN HOLLAND0 citations55
US11549333B2Jan 10, 2023

Indexing tool system for a resource exploration and recovery system

BROWN DONAVAN HOLLAND0 citations41

BAKER HUGHES OILFIELD OPERATIONS LLC

2 patents
US12078027B2Sep 3, 2024

Frangible disk arrangement, method, and system

BAKER HUGHES OILFIELD OPERATIONS LLC0 citations59
US11988067B1May 21, 2024

Frangible disk sub, method and system

BAKER HUGHES OILFIELD OPERATIONS LLC0 citations57

PARK DO SEO

1 patent
US10472926B2Nov 12, 2019

Pressurized seat check valve

PARK DO SEO0 citations44

SAMUELSON MARC

1 patent
US11613948B2Mar 28, 2023

Escapement system for shifting a member in a downhole tool

SAMUELSON MARC0 citations43