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Forward Citations = 102

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9 inventors (with patents filed for the assignee):

Ronald F Checksfield (2 out of 2 patents)

James A Stockwell (2 out of 2 patents)

Garnet M Williams (2 out of 2 patents)

4. Stanley P Hutton (2 out of 2 patents)

5. John A Bushman (2 out of 3 patents)

6. John Anderson Oram (1 out of 1 patent)

7. Hussein Mokhtar El-Gammal (1 out of 1 patent)

8. James E Hollis (1 out of 1 patent)

9. George A McNamee (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 5253651 - Ventilatory instrument for measuring peak expiratory flow (1993-10-19),

2. D333004 - Ventilatory instrument for measuring peak expiratory flow (1993-02-02),

3. D263166 - Mouthpiece (1982-02-23),

4. 4294262 - Apparatus for monitoring respiratory performance (1981-10-13),

5. 4292853 - Fluid flow measuring apparatus (1981-10-06),

6. 4287775 - Fluid flow measuring apparatus (1981-09-08),

7. 4019382 - Apparatus for use in the measurement of the flow rate of fluid flow (1977-04-26),

8. 3940984 - Means for controlling the displacement of a universally pivoted member (1976-03-02),

Ferraris Development and Engineering Company Limited is a leading engineering and construction firm specializing in innovative and sustainable solutions. With decades of experience, we offer a wide range of services including project management, design, and development. Our team of experts is committed to delivering high-quality and cost-effective solutions to meet our clients' needs. Visit our website to learn more about our projects and capabilities.

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USPTO Data Jan 1 1976 - Dec 16 2025

8 Patents

#334 in London

#2,048 in United Kingdom

London, United Kingdom

Ferraris Development and Engineering Company Limited