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For the Inventor, By the Inventor

Kirkel, Germany

Casar Drahtseilwerk Saar Gmbh

Calculating rank
USPTO Granted Patents = 11

% Expired Patents = 54.5



Trademarks = 3

Forward Citations = 31

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7 inventors (with patents filed for the assignee):

goldMedal Bruno Lauer (5 out of 5 patents)

silverMedal Roland Verreet (3 out of 6 patents)

bronzeMedal Johannes Weirich (2 out of 2 patents)

4.  Otto Grabandt (1 out of 2 patents)

5.  Isabel Ridge (1 out of 1 patent)

6.  Nicholas O'Hear (1 out of 1 patent)

7.  Cornelis Adrianus Das (1 out of 1 patent)


11 patents:

1. 10760212 - Rope and method for producing a rope (2020-09-01),
2. 10495180 - Wire rope assembly unit (2019-12-03),
3. 10260198 - Method for producing a wire cable (2019-04-16),
4. 10190257 - Wire cable and method and device for production of said wire cable (2019-01-29),
5. 10190256 - Device and method for producing a strand or a cable (2019-01-29),
6. 9803316 - Method and device for producing a rope (2017-10-31),
7. 9726215 - Force transmission unit (2017-08-08),
8. 9657439 - Method for producing a strand or cable (2017-05-23),
9. 8526706 - Method and device for inspecting a traveling wire cable (2013-09-03),
10. 8254660 - Method and device for inspecting a traveling wire cable (2012-08-28),
11. 8176718 - Cable, combined cable made of plastic fibers and steel wire strands, and combined strands made of plastic fibers and steel wires (2012-05-15),
Company Overview
Casar Drahtseilwerk Saar GmbH is a prominent manufacturer specializing in high-quality wire ropes and related products. Based in Kirkel, Germany, the company focuses on developing innovative solutions for various industries, including construction, maritime, and industrial applications. With a commitment to quality and safety, Casar combines advanced technology with extensive expertise to meet the diverse needs of its global clientele, ensuring reliability and performance in demanding environments.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

11 Patents

#1 in Kirkel

#3,526 in Germany

#51,812 in the World

Kirkel, DE
Kirkel, Germany

Casar Drahtseilwerk Saar Gmbh

Forward Citations = 31

7 inventors:

goldMedal Bruno Lauer (5 out of 5 patents)

silverMedal Roland Verreet (3 out of 6 patents)

bronzeMedal Johannes Weirich (2 out of 2 patents)

4.  Otto Grabandt (1 out of 2 patents)

5.  Isabel Ridge (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Casar Drahtseilwerk Saar Gmbh. Retrieved from https://idiyas.com/company/casar-drahtseilwerk-saar

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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