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Inventor

David J. Lomax

Inventor
Clayton, NC, US

Overview

3→
Patents
2015–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

E02Fprimary
E02FDredging30%
F15BSystems acting by means of fluids in general30%
B62DMotor vehicles10%
F16KValves10%
G05DSystems for controlling or regulating non-electric variables10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
10,774,850Hydraulic systems and methods for powering auxiliary circuits202010,233,951Method to detect uncommanded spool valve positioning and stop fluid flow to hydraulic actuators20199,068,323'Machine having hydraulically actuated implement system with combined ride control and downforce control system'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2020Patents assigned to CATERPILLAR INC (3)· patent assignee history
2015Based in Boilingbrook, IL, US· patent location history
2019–2020Based in Clayton, NC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CATERPILLAR INC32015–2020
Locations
LocationPatentsSpan
Clayton, NC, US22019–2020
Boilingbrook, Illinois, US12015