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Inventor

John H. Lumkes, Jr.

Inventor
Lafayette, IN, US

Overview

3→
Patents
2010–2015
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.

F15Bprimary
F15BSystems acting by means of fluids in general25%
F16KValves25%
Y10TTechnical subjects covered by former us classification25%
E02FDredging13%
F04BPositive-displacement machines for liquids13%
PatentTitleYear
9,200,648'Fluid control valve systems, fluid systems equipped therewith, and methods of using'20159,194,107'Regenerative hydraulic systems and methods of use'20157,717,130'Fast-acting fluid control valve'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2015Patents assigned to PURDUE RESEARCH FOUNDATION (3)· patent assignee history
2010–2015Based in Lafayette, IN, US· patent location history
2015Patents assigned to ANDRUCH III JOHN (1)· patent assignee history
2015Patents assigned to BATDORFF MARK ALLEN (1)· patent assignee history
2015Patents assigned to HOLLAND MICHAEL ANDREW (1)· patent assignee history
2015Patents assigned to LUMKES JOHN H (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PURDUE RESEARCH FOUNDATION32010–2015
ANDRUCH III JOHN12015
BATDORFF MARK ALLEN12015
HOLLAND MICHAEL ANDREW12015
LUMKES JOHN Hself12015
Locations
LocationPatentsSpan
Lafayette, IN, US32010–2015