Forward Citations = 96

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4 inventors (with patents filed for the assignee):

John F Bryan (3 out of 19 patents)

Bradley C Patterson (1 out of 1 patent)

Gary L Jennings (1 out of 1 patent)

4. Larry K Lawrence (1 out of 2 patents)

6 patents: Sort by Forward Citations

1. 4269009 - Low lift, elevatable high floor drilling mast and substructure (1981-05-26),

2. 4204664 - Winch mechanism for crane (1980-05-27),

3. 4201022 - Wheeled portable well drilling and workover apparatus (1980-05-06),

4. 4169535 - Crane (1979-10-02),

5. 4168781 - Crane (1979-09-25),

6. 4138805 - Wheeled portable trailer substructure for elevatable drawworks, masts (1979-02-13),

Pyramid Manufacturing Company is a leading manufacturer of industrial machinery and equipment. With over 50 years of experience, we specialize in custom fabrication, machining, and assembly services for a variety of industries including aerospace, automotive, and renewable energy. Our state-of-the-art facility and dedicated team of engineers ensure high-quality products that meet the needs of our customers. Contact us today to learn more about how Pyramid Manufacturing can help with your next project.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

6 Patents

#712 in Houston, TX

#2,839 in Texas

#43,767 in US

Houston, TX, United States of America

Pyramid Manufacturing Company

Forward Citations = 96

4 inventors:

John F Bryan (3 out of 19 patents)

Bradley C Patterson (1 out of 1 patent)

Gary L Jennings (1 out of 1 patent)

4. Larry K Lawrence (1 out of 2 patents)

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