Inventor

Michael W. Hartley

Inventor

Elmhurst, IL, US

Overview

1989–2018

Patent span

Mechanical engineering

Primary field (CPC F)

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

F01Mprimary

F01MLubricating of machines or engines in general14%

H01HElectric switches14%

E02DFoundations7%

F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges7%

F16KValves7%

F23QIgnition7%

F24CDomestic stoves or ranges7%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes7%

G07CTime or attendance registers7%

G10KSound-producing devices7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989Based in Seffner, FL, US· patent location history

1992–2017Patents assigned to ILLINOIS TOOL WORKS (3)· patent assignee history

1992–2017Based in Elmhurst, IL, US· patent location history

1998Based in Jasper, IN, US· patent location history

2012Patents assigned to BARRENA JUAN J (1)· patent assignee history

2012Patents assigned to DAM ROBERT (1)· patent assignee history

2012Patents assigned to GJERDE RICHARD D (1)· patent assignee history

2012Based in Glenview, IL, US· patent location history

2018Patents assigned to GUNDERSON WILLIAM F (1)· patent assignee history

2018Based in Mercer Island, WA, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations