LexDanaLexDanabeta
Inventor

ALAN FOTHERGILL

Inventor
FR

Overview

4→
Patents
2023–2024
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 4 as inventor

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

E21Bprimary
E21BEarth or rock drilling50%
F16LPipes50%
PatentTitleYear
11,946,572Threaded connection including and intermediate shoulder202411,828,390Tubular threaded connection202311,828,391Threaded connection202311,753,877Tubular threaded connection2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023–2024Patents assigned to NIPPON STEEL CORP (4)· patent assignee history
2023–2024Patents assigned to VALLOUREC OIL & GAS FRANCE (4)· patent assignee history
2023–2024Based in FR· patent location history
2023Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL CORP42023–2024
VALLOUREC OIL & GAS FRANCE42023–2024
Locations
LocationPatentsSpan
FR32023–2024
US12023