Inventor
Paul Schwerdt
Inventor
Freudenstadt, DE
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Mprimary
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof17%
F16KValves13%
F15BSystems acting by means of fluids in general8%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure8%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock8%
Y10TTechnical subjects covered by former us classification8%
B60GVehicle suspension arrangements4%
B60TVehicle brake control systems or parts thereof4%
F01LCyclically operating valves for machines or engines4%
F02PIgnition, other than compression ignition, for internal-combustion engines4%
PatentTitleYear
5,740,969'Piezo-control valve for fuel injection systems of internal combustion engines'19985,186,151'Device for stepping up or transmitting forces and strokes'19934,813,601'Piezoelectric control valve for controlling fuel injection valve in internal-combustion engines'19894,796,662'Valve arrangement with main shifting valve and pilot control valve'19894,617,969'Actuating device for two mutually dependently actuable valves'19864,584,980'Electrically operated valve'19864,531,706'Pressure operated control installation'19854,460,840'Temperature compensated piezoelectric actuator arrangement'19844,399,705'Acceleration detector'19834,370,965'Ignition distributor for internal combustion engines'19834,186,596'Torque measuring arrangement'19803,947,712'Frequency transmitter for signaling the slippage of vehicle wheels'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1998Patents assigned to DAIMLER BENZ AG (12)· patent assignee history
1976Based in Esslingen-Hegensberg, DT· patent location history
1980–1998Based in Freudenstadt, DE· patent location history
1984Based in Freundenstadt, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DAIMLER BENZ AG | 12 | 1976–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Freudenstadt, DE | 10 | 1980–1998 |
| Freundenstadt, DE | 1 | 1984 |
| Esslingen-Hegensberg, DT | 1 | 1976 |