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Inventor

Ronald David Wallin

Inventor
Midland, TX, US

Overview

3→
Patents
2016–2020
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.

E21Bprimary
E21BEarth or rock drilling29%
H02KDynamo-electric machines29%
F04BPositive-displacement machines for liquids14%
F04DNon-positive-displacement pumps14%
F15BSystems acting by means of fluids in general14%
PatentTitleYear
10,547,230Electric motor systems and methods20209,484,784'Electric motor systems and methods'20169,447,788'Linear pump and motor systems and methods'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016Patents assigned to HARDWAY TREVOR (2)· patent assignee history
2016Patents assigned to HENRY RES AND DEV LLC (2)· patent assignee history
2016Patents assigned to WALLIN RONALD DAVID (2)· patent assignee history
2016Patents assigned to HENRY JAMES C (1)· patent assignee history
2016Patents assigned to HENRY JAMES DAVID (1)· patent assignee history
2016–2020Based in Midland, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HARDWAY TREVOR22016
HENRY RES AND DEV LLC22016
WALLIN RONALD DAVIDself22016
HENRY JAMES C12016
HENRY JAMES DAVID12016
Locations
LocationPatentsSpan
Midland, Texas, US32016–2020