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Waldkirch, Germany

Erwin Sick Gmbh Optik-Elektronik

USPTO Granted Patents = 120

Trademarks = 1

Forward Citations = 1,431

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73 inventors (with patents filed for the assignee):

Erwin Sick (22 out of 33 patents)

Gunter Fetzer (12 out of 20 patents)

Klaus Weber (9 out of 23 patents)

4. Arthur A Walter (8 out of 14 patents)

5. Jurgen Erdmann (7 out of 9 patents)

6. Klaus Ostertag (6 out of 7 patents)

7. Dieter Ross (6 out of 6 patents)

8. Heinrich Hippenmeyer (5 out of 18 patents)

9. Christoph Anselment (4 out of 18 patents)

10. Karl Pietzsch (4 out of 6 patents)

11. Gerhard Krause (4 out of 12 patents)

12. Siegfried Mankel (4 out of 4 patents)

13. Gottfried Hug (3 out of 14 patents)

14. Thomas Meinert (3 out of 5 patents)

15. Walter Von Stein (3 out of 4 patents)

Core Competencies:

Optical Sensors

Gas Analysis

Light Curtains

Distance Measurement

Barcode Scanning

Surface Inspection

Ultrasonic Pulses

Fault Detection

Optical Monitoring

Laser Range Finding

Electrooptical Sensors

Luminescence Sensors

120 patents: Sort by Forward Citations

1. 5903355 - Method and apparatus for checking a predetermined monitoring area (1999-05-11),

2. 5805468 - Method and apparatus for determining the light transit time over a (1998-09-08),

3. 5804739 - Method and circuit arrangement for the measurement of flow speed by (1998-09-08),

4. 5781306 - Measuring apparatus for gas analysis (1998-07-14),

5. 5583334 - Method and apparatus for the detection of defective light transmitters (1996-12-10),

6. 5569900 - Method and optical scanning apparatus for the identification of a code (1996-10-29),

7. 5543997 - Safety switching system for a working apparatus (1996-08-06),

8. 5530539 - Apparatus for measuring the transit time of electromagnetic waves (1996-06-25),

9. 5486691 - Monitoring apparatus in machines (1996-01-23),

10. 5481096 - Bar code reader and method for its operation (1996-01-02),

11. 5455669 - Laser range finding apparatus (1995-10-03),

12. 5418409 - Comparator circuit for triggering a switching process when a variable (1995-05-23),

13. 5416316 - Optical sensor arrangement for presence detection with variable pulse (1995-05-16),

14. 5341029 - Method for supervising a switch (1994-08-23),

15. 5250801 - Optical sensor for detecting articles in a monitored region and method (1993-10-05),

Company Overview

Erwin Sick GmbH, based in Waldkirch, Germany, specializes in optical measurement systems that enhance industrial automation and safety. The company develops advanced optical sensors and technologies for applications such as gas analysis, distance measurement, and surface inspection. Their innovative solutions include light curtains for safety, barcode scanning systems for logistics, and ultrasonic pulse technology for fault detection. Sick's commitment to precision and reliability positions it as a leader in the field of optical measurement and automation technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

120 Patents

#2 in Waldkirch

#501 in Germany

#6,652 in the World

Waldkirch, Germany

Erwin Sick Gmbh Optik-Elektronik

Forward Citations = 1,431

73 inventors:

Erwin Sick (22 out of 33 patents)

Gunter Fetzer (12 out of 20 patents)

Klaus Weber (9 out of 23 patents)

4. Arthur A Walter (8 out of 14 patents)

5. Jurgen Erdmann (7 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Erwin Sick Gmbh Optik-Elektronik. Retrieved from https://idiyas.com/company/erwin-sick-optik-elektronik

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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