Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Wheeled carriage having a powered auxiliary wheel, auxiliary wheel overtravel, and an auxiliary wheel drive and control system

Wheeled carriage having a powered auxiliary wheel, auxiliary wheel overtravel, and an auxiliary wheel drive and control system

US Patent 6752224 · Granted Jun 22, 2004

Estimated economic value: $40,538,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Patient handling apparatus with hydraulic control system2025
Patient support apparatus with patient information sensors2025
Location detection systems and methods2025
Patient support with energy transfer2025
Energy storage device management for a patient support apparatus2025
Patient support apparatus having an extension2025
Contoured electrodes for joining workpieces with curved surfaces2025
Thermal system with thermal pad filters2025
Person support apparatuses with exit detection systems2025
Patient handling device including local status indication, one-touch fowler angl2025
Patient handling device including local status indication, one-touch fowler angl2025
Patient transport apparatus having powered drive system utilizing dual mode user2025