Inventor

Gerhard Schiffner

Inventor

Munich, DE

Overview

13→

Patents

1977–1991

Patent span

Physics

Primary field (CPC G)

Patents· 13 as inventor

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

G01Cprimary

G01CMeasuring distances, levels or bearings38%

G02BOptical elements, systems or apparatus17%

G01BMeasuring length, thickness or similar linear dimensions8%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

G01DMeasuring not specially adapted for a specific variable4%

G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves4%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light4%

H04BTransmission4%

PatentTitleYear

5,075,793'Apparatus for detecting intensity-modulated light signals'1991 4,556,321'Ring interferometer with an arrangement to eliminate false indications'1985 4,444,503'Ring interferometer with a mode diaphragm'1984 4,443,698'Sensing device having a multicore optical fiber as a sensing element'1984 4,436,422'Sensor which is sensitive to pressure, tension, torsion and heat and a process of operation'1984 4,410,236'Optical directional coupler and method of manufacture'1983 4,410,235'Device for producing a moving light beam'1983 4,400,088'Ring interferometer with an arrangement for reducing the influence of undesired light'1983 4,354,760'Ring interferometer comprising a single-mode light waveguide'1982 4,325,636'Interferometer with a single-mode waveguide coil'1982 4,302,107'Interferometer with a coil composed of a single mode waveguide'1981 4,259,016'Interferometer with a single-mode waveguide coil'1981 4,035,742'Device for optical pumping solid state lasers'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1991Patents assigned to SIEMENS AG (13)· patent assignee history

1977Based in Neuried, DE· patent location history

1981–1985Based in Munich, DE· patent location history

1983Patents assigned to SCHIFFNER GERHARD (1)· patent assignee history

1991Based in Wetter, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SIEMENS AG	13	1977–1991
SCHIFFNER GERHARDself	1	1983

Locations

Location	Patents	Span
Munich, DE	11	1981–1985
Wetter, DE	1	1991
Neuried, DE	1	1977