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Trademarks = 15

Forward Citations = 588

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10 inventors (with patents filed for the assignee):

Lawrence P Hudon (3 out of 9 patents)

Roddi J Simpson (3 out of 18 patents)

Denis LaBombard (2 out of 25 patents)

4. Louis Woo (2 out of 7 patents)

5. Richard McNary (2 out of 3 patents)

6. Thomas P Stephens (2 out of 12 patents)

7. Daniel E Alesi (1 out of 3 patents)

8. Jacky G Duchamp (1 out of 1 patent)

9. William H Hollister (1 out of 19 patents)

10. Clifford P Melendy (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 6626874 - Anticoagulant internally coated needle (2003-09-30),

2. 6582397 - Needle safety device with antiremoval protection (2003-06-24),

3. 6579254 - Medication adapter and method for use thereof (2003-06-17),

4. 6575944 - Adapter for localized treatment through a tracheal tube and method for use thereof (2003-06-10),

5. 6551287 - Needle protection apparatus used with a vial (2003-04-22),

6. 6524281 - Needle protection device for use with a vial (2003-02-25),

7. 5042475 - Hinged tracheostomy tube obturator (1991-08-27),

8. 4817598 - Tracheostomy tube with ring pull removable inner cannula (1989-04-04),

9. 4637388 - Tracheal tube obturator with reversible tip (1987-01-20),

10. 4193174 - Lever and fulcrum clamping assembly (1980-03-18),

11. 4178939 - Visual indicator for cuff-type catheter (1979-12-18),

Portex, Inc. is a leading provider of industrial cleaning services, specializing in onsite and offsite solutions for a wide range of industries. With a focus on safety, efficiency, and environmental sustainability, Portex delivers high-quality services that meet the needs of their clients. Their team of experienced professionals uses innovative technology and best practices to ensure superior results for every project.

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

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USPTO Data Jan 1 1976 - Sep 22 2026

11 Patents

#7 in Keene, NH

#186 in New Hampshire

#27,459 in US

#51,637 in the World

Keene, NH, United States of America

Portex, Inc.