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For the Inventor, By the Inventor

Florence, undefined

Billi, S.p.a.


USPTO Granted Patents = 13

Forward Citations = 67

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11 inventors (with patents filed for the assignee):

goldMedal Paolo Conti (4 out of 24 patents)

silverMedal Ettore Negri (3 out of 8 patents)

bronzeMedal Massimo Bianchi (2 out of 5 patents)

4.  Benito Manini (1 out of 11 patents)

5.  Paolo Conti (1 out of 1 patent)

6.  Massimo Bianchi (1 out of 1 patent)

7.  Oberdan Balzano (1 out of 1 patent)

8.  Lando Dondoli (1 out of 1 patent)

9.  Giorgio Billi (1 out of 2 patents)

10.  Luciano Romoli (1 out of 2 patents)

11.  Arrigo Micheletti (1 out of 1 patent)


13 patents:

1. 4044574 - Method of closing the toe opening of a knit stocking or the like (1977-08-30),
2. 4034578 - Tights (1977-07-12),
3. 4023384 - Knit tubular article with transverse waist opening (1977-05-17),
4. 3998076 - Elasticated waist opening (1976-12-21),
5. 3987650 - Method of forming the waistband in panty hose or similar article and the (1976-10-26),
6. 3981161 - Panty hose with reinforced longitudinal waist opening (1976-09-21),
7. 3981160 - Needle selecting means (1976-09-21),
8. 3956909 - Proportional knitting and resulting article (1976-05-18),
9. 3950965 - Auxiliary linkage for amplifying needle movement in circular knitting (1976-04-20),
10. 3945224 - Control system for circular knitting machines and the like (1976-03-23),
11. 3940954 - Electrical supervisory circuit arrangements (1976-03-02),
12. 3938355 - Method of knitting a plurality of convergent tubular portions and (1976-02-17),
13. 3937040 - Method of knitting panty hose (1976-02-10),
Company Overview
Billi, S.p.a., based in Florence, specializes in the development and manufacturing of advanced water heating and cooling systems. The company focuses on innovative solutions that promote energy efficiency and sustainability in both residential and commercial applications. With a commitment to research and development, Billi integrates cutting-edge technology to enhance user experience while minimizing environmental impact. Its products are recognized for their reliability and performance, catering to a diverse clientele across various regions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

13 Patents

#1 in Florence

#1 in I

#45,039 in the World

Florence, I
Florence, undefined

Billi, S.p.a.

Forward Citations = 67

11 inventors:

goldMedal Paolo Conti (4 out of 24 patents)

silverMedal Ettore Negri (3 out of 8 patents)

bronzeMedal Massimo Bianchi (2 out of 5 patents)

4.  Benito Manini (1 out of 11 patents)

5.  Paolo Conti (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Billi, S.p.a.. Retrieved from https://idiyas.com/company/billi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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