United States
US 12,702,993 B2
Manually operated pump
US 12,702,993 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-11. Applicant: SILGAN DISPENSING SYSTEMS MILANO S.R.L. Its PDF downloads from this page without an account, up to 5 a day.
- Applicant
- SILGAN DISPENSING SYSTEMS MILANO S.R.L.
- Inventors
- ANDREA MARELLI
- Publication date
- 2026-08-11
- Filing date
- 2024-03-28
- Document type
- B2 Granted patent
- Also written as
- US 12,702,993 B2 · US12702993 · 12702993
Abstract
A manually operated pump (1), comprising a cup-shaped body (2) inside which a piston (3)—coupled with a hollow stem (4) for the movement thereof within the cup-shaped body (2)—sealingly slides, the pump being equipped with a base (5) which seals the cup-shaped body (2) and which is endowed with a hole (11) for the stem (4), the said stem (4) and the base (5) being torsionally coupled, at least part of the cup-shaped body (2) and of the piston (3) delimiting a compression chamber (6) coupled with at least one suction valve element (8) and with a delivery valve element (9), the said delivery val…
The opening of the abstract. The full text is in the PDF.
No account needed: 5 free downloads a day (5 left today). Batch downloads and Office Action citations need a free account.
Patent office website: United States Patent and Trademark Office (USPTO)
Look up another patent
Need many patents at once?
Paste a whole list of numbers. DownloadPatent finds the right version of each and packs the PDFs into one ZIP.
Sign up free