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South Walpole, MA, United States of America

Bird Machine Company

USPTO Granted Patents = 23

Trademarks = 3

Forward Citations = 382

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21 inventors (with patents filed for the assignee):

Thomas D Packard (3 out of 3 patents)

Herbert L Crosby (3 out of 3 patents)

Orville J Gibbs (2 out of 2 patents)

4. Jacob P Den Hartog (2 out of 2 patents)

5. Peter J Flynn (2 out of 2 patents)

6. William C Goodchild (2 out of 2 patents)

7. Lawrence D Conant (1 out of 4 patents)

8. Ascher H Shapiro (1 out of 16 patents)

9. Clement V Smith (1 out of 1 patent)

10. Salomon M Salomon (1 out of 1 patent)

11. Elwin J Lewoczko (1 out of 1 patent)

12. John T Roos (1 out of 1 patent)

13. Leo W Fleury, Jr (1 out of 1 patent)

14. William F Fisher (1 out of 1 patent)

15. Donald B Baker (1 out of 1 patent)

23 patents: Sort by Forward Citations

1. 5067939 - Conveyorless clarifier (1991-11-26),

2. 5024649 - Bowl head assembly (1991-06-18),

3. 4983289 - Screen bowl centrifuge (1991-01-08),

4. 4851069 - Process for making tissue-absorbent particle laminates (1989-07-25),

5. 4717329 - Apparatus for compressively treating travel flexible sheet material (1988-01-05),

6. 4605495 - Hydrocyclone separator apparatus (1986-08-12),

7. 4512888 - Apparatus for removal by flotation of solid particles from liquid (1985-04-23),

8. 4464162 - Centrifugal separator (1984-08-07),

9. 4381849 - Solids-liquid slurry separating centrifuge (1983-05-03),

10. 4334647 - Centrifuges (1982-06-15),

11. 4323190 - Centrifuge bowl end attachment flanges (1982-04-06),

12. 4318805 - Screening apparatus (1982-03-09),

13. 4190194 - Solids liquid separating centrifuge with solids classification (1980-02-26),

14. 4090385 - Material treating apparatus (1978-05-23),

15. 4085171 - Spray cooling system (1978-04-18),

Bird Machine Company is a leading manufacturer of industrial machinery, specializing in custom-designed solutions for a wide range of industries. With over 50 years of experience, we provide high-quality equipment such as conveyors, mixers, and packaging machines to streamline production processes and improve efficiency. Our team of experts offers customized solutions to meet the unique needs of each client, ensuring optimal performance and reliability.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

23 Patents

#1 in South Walpole, MA

#837 in Massachusetts

#13,928 in US

#26,802 in the World

South Walpole, MA, United States of America

Bird Machine Company

Forward Citations = 382

21 inventors:

Thomas D Packard (3 out of 3 patents)

Herbert L Crosby (3 out of 3 patents)

Orville J Gibbs (2 out of 2 patents)

4. Jacob P Den Hartog (2 out of 2 patents)

5. Peter J Flynn (2 out of 2 patents)

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