Inventor

David M. Kruithoff

Inventor
Vancouver, WA, US

Overview

7→
Patents
1988–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 7 as inventor

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

A62Cprimary
A62CFire-fighting29%
B64DEquipment for fitting in or to aircraft29%
B08BCleaning in general21%
A01DHarvesting7%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons7%
B01LChemical or physical laboratory apparatus for general use7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to KRUITHOFF DAVID M (1)· patent assignee history
1988Based in Lakeview, MI, US· patent location history
2005Patents assigned to NEOMEDTEK (1)· patent assignee history
2005Based in Grand Rapids, MI, US· patent location history
2009Patents assigned to VAN ANDEL RES INST (1)· patent assignee history
2009–2019Based in Vancouver, WA, US· patent location history
2016–2019Patents assigned to SIMPLEX MFG CO (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SIMPLEX MFG CO42016–2019
KRUITHOFF DAVID Mself11988
NEOMEDTEK12005
VAN ANDEL RES INST12009
Locations
LocationPatentsSpan
Vancouver, Washington, US52009–2019
Grand Rapids, MI, US12005
Lakeview, MI, US11988