LexDanaLexDanabeta
Inventor

Michael LoGiudice

Inventor
Cypress, TX, US

Overview

6→
Patents
2007–2019
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 6 as inventor

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

E21Bprimary
E21BEarth or rock drilling75%
F16JPistons13%
F16LPipes13%
PatentTitleYear
10,309,562Metal to metal wedge ring seal201910,113,372Centralizer20189,657,548'Apparatus and methods of running casing in a dual gradient system'20177,503,398'Methods and apparatus for actuating a downhole tool'20097,299,880'Surge reduction bypass valve'20077,252,152'Methods and apparatus for actuating a downhole tool'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2009Patents assigned to WEATHERFORD LAMB (3)· patent assignee history
2007–2009Based in Spring, TX, US· patent location history
2017–2018Patents assigned to WEATHERFORD TECH HOLDINGS LLC (2)· patent assignee history
2017–2019Based in Cypress, TX, US· patent location history
2019Patents assigned to FREUDENBERG OIL & GAS LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WEATHERFORD LAMB32007–2009
WEATHERFORD TECH HOLDINGS LLC22017–2018
FREUDENBERG OIL & GAS LLC12019
Locations
LocationPatentsSpan
Cypress, Texas, US32017–2019
Spring, Texas, US32007–2009