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Snam S.p.a.

USPTO Granted Patents = 17

Trademarks = 1

Forward Citations = 271

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32 inventors (with patents filed for the assignee):

Giampaolo Bonfiglioli (5 out of 5 patents)

Raffaello Sisto (2 out of 9 patents)

Lucio De Angelis (2 out of 5 patents)

4. Arnaldo Roggero (2 out of 46 patents)

5. Costantino Vinciguerra (2 out of 30 patents)

6. Alberto Gandini (2 out of 11 patents)

7. Claudio Valentini (2 out of 6 patents)

8. Alessandro Stopponi (2 out of 3 patents)

9. Amalia Assogna (2 out of 2 patents)

10. Stefano Venzi (2 out of 2 patents)

11. Adalberto Colombo (2 out of 2 patents)

12. Gian P Ferrari Aggradi (2 out of 3 patents)

13. Thomas Paul Lockhart (1 out of 25 patents)

14. Roberto Bruschi (1 out of 5 patents)

15. Floriano Casola (1 out of 5 patents)

17 patents: Sort by Forward Citations

1. 5540522 - Seismic joint for underwater floating tunnels (1996-07-30),

2. 5453172 - Solid-state sensor for determining the concentration of a gas with a (1995-09-26),

3. 5447054 - Gas sensors formed of thin tin oxide films, for gaseous hydro-carbon (1995-09-05),

4. 5445848 - Tape for reinforcing pressure-supporting hollow bodies and a method for (1995-08-29),

5. 5400643 - Gas sensor based on semiconductor oxide, for gaseous hydrocarbon (1995-03-28),

6. 5348801 - Tape for reinforcing pressure-supporting hollow bodies and a method for (1994-09-20),

7. 5345972 - Method for repairing local damage to pipelines by applying cladding with (1994-09-13),

8. 5261944 - Nickel cermet, and process for preparing it (1993-11-16),

9. 5171794 - Modified poly(2,6-dimethyl-p-oxyphenylene), a process for its (1992-12-15),

10. 5169416 - Process for preparing modified poly-(2,6-dimethyl-p-oxyphenylene) (1992-12-08),

11. 4648626 - Telescopic joint for repairing underwater pipelines laid at a great depth (1987-03-10),

12. 4593917 - Seal system, particularly suitable for the ball joint of installations (1986-06-10),

13. 4593448 - Method for tightly jointing a sleeve to a submarine pipe laid at great (1986-06-10),

14. 4494893 - Adjustable apparatus for supporting an underwater pipe laid at great (1985-01-22),

15. 4488867 - Method for controlling the heat load of a plant fed with natural gas of (1984-12-18),

Snam is one of Europe's leading natural gas infrastructure companies. As a publicly traded company, Snam operates in Italy and internationally, providing gas transportation, storage, and regasification services. With a focus on sustainability and innovation, Snam is committed to promoting the use of natural gas as a safe and reliable energy source.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

17 Patents

#85 in Milan

#488 in Italy

#34,861 in the World

Snam S.p.a.

Forward Citations = 271

32 inventors:

Giampaolo Bonfiglioli (5 out of 5 patents)

Raffaello Sisto (2 out of 9 patents)

Lucio De Angelis (2 out of 5 patents)

4. Arnaldo Roggero (2 out of 46 patents)

5. Costantino Vinciguerra (2 out of 30 patents)

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