Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Vacuum cleaner train for cleaning tracks, particularly for underground railway networks

Vacuum cleaner train for cleaning tracks, particularly for underground railway networks

US Patent 5276940 · Granted Jan 11, 1994

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Granular material distributing apparatus comprising at least two transfer vessel2002
Digital frequency receiver1985
Alarm preprocessor logic1983