Inventor
Dale A. Knutson
Inventor
Nashotah, WI, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F15Bprimary
F15BSystems acting by means of fluids in general19%
F16KValves19%
Y10TTechnical subjects covered by former us classification16%
F16FSprings9%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding6%
B25FCombination or multi-purpose tools not otherwise provided for6%
B60GVehicle suspension arrangements6%
B62DMotor vehicles6%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof6%
G11BInformation storage based on relative movement between record carrier and transducer3%
PatentTitleYear
5,792,967'Pumping unit with speed transducer'19985,668,328'Method and apparatus for hydraulically tightening threaded fasteners'19975,630,440'Piezo composite sheet actuated valve'19975,593,134'Magnetically assisted piezo-electric valve actuator'19975,011,113'Fluid control valve'19915,005,803'High response, compact solenoid two-way valve'19914,946,009'Electromagnetic valve utilizing a permanent magnet'19904,538,644'Pressure regulator'19854,290,447'Electrohydraulic proportional valve'1981RE029938'Tilt cab power stream and valve control therefor'19794,127,835'Electromechanical force motor'19784,011,891'Proportional flow control valve'19773,985,194'Tilt cab power stream and valve control therefor'19763,961,561'Proportional force amplifier'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1998Patents assigned to APPLIED POWER INC (11)· patent assignee history
1976–1979Based in Oconomowoc, WI, US· patent location history
1978–1981Patents assigned to DYNEX RIVETT INC (2)· patent assignee history
1981Based in Pewaukee, WI, US· patent location history
1985–1998Based in Nashotah, WI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLIED POWER INC | 11 | 1976–1998 |
| DYNEX RIVETT INC | 2 | 1978–1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nashotah, WI, US | 8 | 1985–1998 |
| Oconomowoc, WI, US | 5 | 1976–1979 |
| Pewaukee, WI, US | 1 | 1981 |