Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DZ

David Zappa — 4 Patents

FMFmc: 1 patents #1,077 of 1,735Top 65%
Wexford, PA: #130 of 413 inventorsTop 35%
Pennsylvania: #19,360 of 74,527 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David Zappa has been granted 4 US patents while listed as an inventor at Fmc. The first was granted in 1992 and the most recent in May 2025. David Zappa ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Zappa in Wexford, PA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12291301 Container adapter plate for use with an attachment apparatus for securely attaching objects to a bicycle frame John Zappa, Marta Guerrero Merino, Thomas Chiang, David Filicicchia 2025-05-06
11613322 Attachment apparatus and/or system for securely attaching objects to a bicycle frame John Zappa, Marta Guerrero Merino, David Lopez Alonso, Alejandro Herrera Perdomo, Thomas Chiang +2 more 2023-03-28
11084547 Attachment apparatus and/or system for securely attaching objects to a bicycle frame John Zappa, Marta Guerrero Merino, David Lopez Alonso, Alejandro Herrera Perdomo, Thomas Chiang +1 more 2021-08-10
5115716 Automatic percussion primer feed mechanism Timothy J. Doering 1992-05-26 $3,024,000