Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Three-way needle valve

Three-way needle valve

US Patent 4462428 · Granted Jul 31, 1984

Estimated economic value: $1,446,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

In-feed magazine apparatus and method for loading documents1999
In-feed magazine apparatus and method for loading documents1998
Buffered stacker with drop floor assembly1996
Buffered stacker1996
High speed labeler1996
Method and apparatus for shingling documents1996
Sheet feeder1995
High speed separator with movable hold back belt for high speed flats feeder1995
Sheet feeder1993
Belt separator for document singulation1993
Multi-pass sorting machine1993
Method of separating sheets1993