Inventor

Stanley L. Pierce

Inventor

Northville, MI, US

Overview

22→

Patents

1977–1998

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 22 as inventor

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

F16Hprimary

F16HGearing71%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles16%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

F16DCouplings for transmitting rotation3%

Y10TTechnical subjects covered by former us classification3%

PatentTitleYear

5,755,636'Multiple-speed automatic transmission for an automotive vehicle'1998 5,542,889'Multiple-speed automatic transmission for a motor vehicle'1996 5,503,604'Multiple-speed automatic transmission for motor vehicles'1996 5,435,792'Multiple-speed automatic transmission for motor vehicles'1995 5,383,822'Multiple speed automatic transmission for automotive vehicles'1995 5,261,862'Multiple speed transaxle for automotive vehicles'1993 5,250,011'Multiple speed synchronous automatic transmission for motor vehicles'1993 5,167,593'Nonsynchronous four-speed transaxle for automotive vehicles'1992 5,131,902'Nonsynchronous five-speed transaxle for automotive vehicles'1992 5,129,870'Multiple-ratio automatic transmission with releasable hyperboloidal couplings'1992 5,039,305'Multiple ratio compact transaxle assembly for automotive vehicles'1991 4,978,328'Automatic transaxle assembly for an automotive vehicle driveline'1990 4,938,097'Four speed transaxle for automotive vehicles'1990 4,693,129'Countershaft automatic transmission'1987 4,628,771'Hydraulic clutch pressure control for an electronically controlled transmission'1986 4,541,308'Hydraulic control system for electronic transmission control'1985 4,527,678'Transmission clutch control system and method'1985 4,527,448'Hydraulic control system for electronic transmission control'1985 4,418,585'Four speed ratio transverse automatic transmission'1983 4,346,622'Four speed transaxle with mid-position transfer drive'1982 4,194,604'Hydrodynamic torque convertor with double circuit torus flow and lock-up clutch'1980 4,014,223'Multiple ratio hydrokinetic split torque transmission'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1996Patents assigned to FORD MOTOR CO (21)· patent assignee history

1977Based in West Bloomfield, MI, US· patent location history

1980–1983Based in Walled Lake, MI, US· patent location history

1985–1998Based in Northville, MI, US· patent location history

1998Patents assigned to FORD GLOBAL TECH INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FORD MOTOR CO	21	1977–1996
FORD GLOBAL TECH INC	1	1998

Locations

Location	Patents	Span
Northville, MI, US	18	1985–1998
Walled Lake, MI, US	3	1980–1983
West Bloomfield, MI, US	1	1977