Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Self-propelled upright vacuum cleaner having a remotely disposed transmission and a positive locking mechanism

Self-propelled upright vacuum cleaner having a remotely disposed transmission and a positive locking mechanism

US Patent 4766640 · Granted Aug 30, 1988

Estimated economic value: $5,940,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Planter with high speed seed delivery apparatus2025
Mount for agricultural implement2024
Planter with high speed seed delivery apparatus2023
Planter with high speed seed delivery apparatus2020
Gears and gear combinations2020
Cleaning implements2004
Cleaning implements2003
Laser diode operated in amplitude modulation and pulse amplitude modes1995
Laser diode operated in hybrid modulation modes1994
Control system for diesel particulate trap regeneration system1991
Engine intake temperature control system1991
Diesel engine particulate trap regeneration system1989