Inventor

Richard A. Flotow

Inventor

Butler, IN, US

Overview

58→

Patents

1976–1997

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 58 as inventor

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

F16Dprimary

F16DCouplings for transmitting rotation74%

Y10TTechnical subjects covered by former us classification9%

F16FSprings7%

F16HGearing4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

B22FWorking metallic powder1%

B23PMetal-working not otherwise provided for1%

PatentTitleYear

5,601,171'Bracket assembly for torque transmitting device'1997 5,421,438'Clutch having hydrodynamic cooling of pressure plate'1995 5,358,085'Clutch plate anti-rattle and separator device'1994 5,320,205'Wear adjustment for a clutch'1994 5,263,564'Adjusting ring seal'1993 5,251,737'Self-adjusting means and method for friction clutches'1993 5,213,185'Clutch adjustment structure'1993 D0335290'Clutch cover'1993 5,199,542'Air releasing wet clutch'1993 D0334197'Clutch retainer'1993 5,186,573'Coupling for connecting shafts'1993 5,181,593'Clutch wear indicator apparatus'1993 5,158,165'Backing plate for a clutch disc'1992 RE034105'Internal assisted clutch'1992 5,099,973'Self-contained friction clutch with low inertia driven disc'1992 5,097,932'Ventilated support plate for clutch'1992 5,080,212'Positioning pin setting arrangement'1992 5,076,406'Radially interlocking clutch brake'1991 5,067,602'Internally assisted clutch'1991 5,058,719'Drive assembly for clutch plate'1991 5,031,739'Two piece clutch brake'1991 5,007,517'Adjustable hysteresis damper'1991 4,991,704'Apparatus for adjusting hysteresis in a clutch'1991 4,953,680'Clutch adjuster'1990 4,946,017'Angled release clutch system'1990 4,941,557'Intermediate plate positioner means for a friction clutch assembly'1990 4,940,126'Diaphragm spring clutch'1990 4,936,432'Internal assisted clutch components and assembly'1990 4,919,243'Clutch brake having segmented cover surfaces'1990 4,903,806'Hydraulically actuated release mechanism for a clutch'1990 4,863,004'Spring clutch assembly'1989 4,860,872'Friction disc assembly'1989 4,832,164'Adjuster ring lock strap adapted for use in manual wear compensating clutches'1989 4,793,456'Variable ratio clutch lever'1988 4,762,215'Brake torque limiting coupling'1988 4,760,906'Internal assisted clutch'1988 4,715,484'Automatic intermediate plate positioner'1987 4,712,659'Adjustable clutch brake apparatus'1987 4,660,702'Clutch release bearing'1987 4,657,124'Clutch brake noise suppressor'1987 4,632,235'Clutch with cantilevered Belleville spring'1986 4,601,377'Clutch adjustment method'1986 4,598,808'Noise suppression device for constant running clutch release bearing'1986 4,566,572'Clutch with a piloted and spring loaded driven disc hub'1986 4,560,048'Cooling system for friction clutches for vehicles'1985 4,549,643'Self adjusting device for a friction clutch'1985 4,503,959'Clutch lever and adjustment method'1985 4,383,352'Method of making spring clutch collector ring'1983 4,332,314'Spring clutch'1982 4,285,424'Locking device for a friction type clutch'1981 4,269,296'Two-stage coaxial spring damper'1981 4,223,764'Disk brake assembly'1980 4,181,199'Caliper type disc brake'1980 4,157,749'Clutch with friction reducing lever assembly'1979 4,057,131'Multiple disk clutch stamped adapter ring'1977 4,034,836'Clutch with friction reducing lever assembly'1977 4,023,661'Cooling system for a vehicle clutch'1977 3,939,951'Diaphragm clutch spring having radial and rotational restraints'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1997Patents assigned to DANA CORP (55)· patent assignee history

1976–1988Based in Fort Wayne, IN, US· patent location history

1981–1993Patents assigned to FLOTOW RICHARD A (2)· patent assignee history

1981Patents assigned to SINK WILLIAM H (1)· patent assignee history

1985–1997Based in Butler, IN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DANA CORP	55	1976–1997
FLOTOW RICHARD Aself	2	1981–1993
SINK WILLIAM H	1	1981

Locations

Location	Patents	Span
Butler, IN, US	44	1985–1997
Fort Wayne, IN, US	14	1976–1988