Inventor

Elmer A. Richards

Inventor

Kalamazoo, MI, US

Overview

1976–1988

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 20 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification37%

F16HGearing33%

F16DCouplings for transmitting rotation17%

B60WConjoint control of vehicle sub-units of different type or different function4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles2%

F02BInternal-combustion piston engines2%

F02DControlling combustion engines2%

PatentTitleYear

4,736,643'Blocked jaw clutch assembly'1988 4,735,109'Semi-blocked transmission'1988 RE032591'Automatic mechanical transmission system'1988 4,709,590'Herringbone geared multiple load sharing countershaft transmission'1987 4,703,667'Blocked jaw clutch assembly'1987 4,527,447'Automatic mechanical transmission system'1985 4,481,836'Multiple identical countershaft powershift transmission'1984 RE031296'Transmission with resiliently loaded mainshaft gears'1983 4,388,838'Multiple countershaft simple transmission'1983 4,375,172'Blocked change gear transmission utilizing resilient shifting mechanisms and improved jaw clutch assembly therefor'1983 4,290,515'Transmission with resilient shifting mechanism'1981 4,194,410'Blocked transmission'1980 4,186,618'Transmission input decelerating and reversing mechanism'1980 4,176,736'Blocked change gear transmission and improved blocker and jaw clutch assembly therefor'1979 4,141,440'Blocker and jaw clutch assembly'1979 4,132,122'Shiftable change speed transmission utilizing improved blocker and jaw clutch assembly'1979 RE029601'Transmission with resiliently loaded mainshaft gears'1978 4,046,032'Start control'1977 4,034,620'Gear retainer'1977 3,983,979'Sensor unblocking ramps'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1988Patents assigned to EATON CORP (17)· patent assignee history

1976–1988Based in Kalamazoo, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EATON CORP	17	1976–1988

Locations

Location	Patents	Span
Kalamazoo, MI, US	20	1976–1988