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USPTO Patent Rankings Data through Dec 31, 2025
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Vincent Lieffrig — 4 Patents

AGAgc: 2 patents #337 of 954Top 40%
AAAgc Flat Glass North America: 2 patents #29 of 112Top 30%
AEAgc Glass Europe: 2 patents #83 of 252Top 35%
ALAgc Vidros Do Brasil Ltda: 2 patents #9 of 48Top 20%
GLGlaverbel: 1 patents #57 of 91Top 65%
Namur, BE: #11 of 65 inventorsTop 20%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Vincent Lieffrig has been granted 4 US patents while listed as an inventor at Agc. The first was granted in 1992 and the most recent in November 2025. Vincent Lieffrig ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Vincent Lieffrig in Namur, BE.

Patents per Year

Patents granted per year, 1992 to 2024Bar chart with a peak of 1 patents in 1992.peak 11992: 1 patents19922023: 1 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12463327 4G and/or 5G signal communication device Mohsen Yousefbeiki, Michael Bruscaglia, Simon Castex, Bernard Monville, Adrien Lemoine +1 more 2025-11-04
12057616 Glazing unit with a housing Mohsen Yousefbeiki, Michael Bruscaglia, Simon Castex, Bernard Monville, Adrien Lemoine +1 more 2024-08-06
11677142 Glazing unit with a housing Mohsen Yousefbeiki, Michael Bruscaglia, Simon Castex, Bernard Monville, Adrien Lemoine +1 more 2023-06-13
5154953 Composite glazing panel Frederic de Moncuit, Georges De Clerck 1992-10-13

Frequent Collaborators

Kevin Vergnolle3 shared
Adrien Lemoine3 shared
Michael Bruscaglia3 shared
Bernard Monville3 shared
Simon Castex3 shared
Mohsen Yousefbeiki3 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4