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Inventor

James R. Preston

Inventor
Minneapolis, MN, US

Overview

4→
Patents
1996–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

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

B60Kprimary
B60KArrangement or mounting of propulsion units or of transmissions in vehicles17%
F16DCouplings for transmitting rotation17%
F16HGearing17%
F16KValves17%
G03DApparatus for processing exposed photographic materials17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
10,578,171Morning sickness valve system for viscous clutch20208,316,981'Vehicular actuator arrangement and implementations'20126,455,810'Stepped drum or stepped hold-down-rollers for heat processable media'2002D0371380'Dry silver film processor'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to MINNESOTA MINING & MFG (1)· patent assignee history
1996–2020Based in Minneapolis, MN, US· patent location history
2002Patents assigned to EASTMAN KODAK CO (1)· patent assignee history
2002Based in San Jose, CA, US· patent location history
2012Patents assigned to AMERICAN GEAR PRODUCTS LLC (1)· patent assignee history
2012Patents assigned to NYBERG RICHARD (1)· patent assignee history
2020Patents assigned to HORTON INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMERICAN GEAR PRODUCTS LLC12012
EASTMAN KODAK CO12002
HORTON INC12020
MINNESOTA MINING & MFG11996
NYBERG RICHARD12012
Locations
LocationPatentsSpan
Minneapolis, Minnesota, US31996–2020
San Jose, California, US12002