LexDanaLexDanabeta
Inventor

Randle E. Ford

Inventor
New Braunfels, TX, US

Overview

4→
Patents
1992–1998
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 drilling80%
F16KValves20%
PatentTitleYear
5,850,881'Drill pipe float valve and method of manufacture'19985,727,775'Gate valve with dual seal rings on a unitary seat ring'19985,687,792'Drill pipe float valve and method of manufacture'19975,109,926'Wellbore packer with shearable anti-rotation locking member'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1998Patents assigned to BAKER HUGHES INC (4)· patent assignee history
1992Based in Kingwood, TX, US· patent location history
1997–1998Based in New Braunfels, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAKER HUGHES INC41992–1998
Locations
LocationPatentsSpan
New Braunfels, Texas, US31997–1998
Kingwood, Texas, US11992