Rib Loc (Hong Kong) Ltd.

Calculating rank

USPTO Granted Patents = 6

Forward Citations = 84

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5 inventors (with patents filed for the assignee):

Julian M Menzel (3 out of 3 patents)

Stanley W Menzel (2 out of 10 patents)

David E Mominee (1 out of 8 patents)

4. Gilbert W Vance (1 out of 6 patents)

5. Stanley W Menzel (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 4687690 - Method of and means for forming and sealing helically wound tubes (1987-08-18),

2. 4616495 - Helically-formed pipe winding machine (1986-10-14),

3. 4435460 - Plastic tubular objects (1984-03-06),

4. 4337564 - Machine and method for forming tubes from a strip (1982-07-06),

5. 4308082 - Method of forming a tubular article (1981-12-29),

6. 4209043 - Plastic tubular objects (1980-06-24),

Company Overview

Rib Loc (Hong Kong) Ltd. is a leading manufacturer and supplier of ribbed steel pipes for various infrastructure projects. Our innovative ribbing technology ensures strong, durable and cost-effective solutions for water management, drainage systems, bridge construction and more. With a commitment to quality and customer satisfaction, Rib Loc has established a solid reputation in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

6 Patents

#508 in Hong Kong

#4,489 in China

Hong Kong, China