Wheeled Patents (Class 280/29)
- Collapsible to superposed relation (Class 280/401)
- Single end suspension of transported vehicle (Class 280/402)
- With access between vehicles (Class 280/403)
- Load separately supported on plural units (e.g., pole carrying type) (Class 280/404)
- Load distribution adjustment (Class 280/405.1)
- With draft means at front and rear of same vehicle (e.g., vehicle train) (Class 280/408)
- Multiple trailing vehicles (Class 280/411.1)
- Boat carrying type (Class 280/414.1)
- With actuator for moving trailing vehicle wheel vertically (Class 280/414.5)
- Convertible (Class 280/415.1)
- Interconnected steering of plural units (Class 280/419)
- Service connections (Class 280/420)
- Semitrailer (Class 280/423.1)
- Wheel steering by articulative movement (Class 280/442)
- Condition responsive connections (Class 280/446.1)
- Plural or laterally adjustable connections (Class 280/456.1)
- Laterally offset (Class 280/472)
- Selectively rigid or flexible (Class 280/474)
- With retractable ground support (Class 280/475)
- Wheeled draft connection (Class 280/476.1)
- Connection facilitating (Class 280/477)
- Tow ropes, chains, etc. (Class 280/480)
- Pusher type (Class 280/481)
- Adjustable length draft devices (Class 280/482)
- Resilient (Class 280/483)
- Vertically adjustable (Class 280/490.1)
- Retractable, foldable, or knockdown (Class 280/491.1)
- Plural articulation axes (Class 280/492)
- Vehicle mounting or clamp (Class 280/495)
- Coupling (Class 280/504)
- Receptacle or occupant seating body (Class 280/79.2)
- Rack-type body (Class 280/79.3)
- Wheel or tire support body (Class 280/79.4)
- Bucket or can support body (Class 280/79.5)
- Cylindrical objects with elongated horizontal axis support body (Class 280/79.6)
- Vertically elongated rectangular object support body (Class 280/79.7)
- Multiple truck (Class 280/81.1)
- Tongue truck (Class 280/82)
- Swivel truck (Class 280/86)
- Auxiliary axle assembly (e.g., lift or tag axle) (Class 280/86.5)
- Alignment adjustment (Class 280/86.75)
- Short turn (Class 280/98)
- Equalized frame (Class 280/104)
- Roller bearing frame (Class 280/105)
- Specific vehicle frame (Class 280/781)
- With body or load retainers (Class 280/107)
- With tongue antivibrators (Class 280/108)
- Suspension arrangement (Class 280/124.1)
- Occupant steered (Class 280/771)
- Turnable axle (e.g., fifth-wheel or swinging axle) (Class 280/137.5)
- Hounds (Class 280/139)
- Reaches (Class 280/140)
- Bolsters and standards (Class 280/143)
- Irons and clips (Class 280/149)
- Interchangeable axles (Class 280/149.1)
- Longitudinally shiftable running gear (Class 280/149.2)
- Inflatable passenger restraint or confinement (e.g., air bag) or attachment (Class 280/728.1)
- Safety belt or harness (e.g., lap belt or shoulder harness) (Class 280/801.1)
- Passenger safety guards (Class 280/748)
- Vehicle spring jacking lock, between sprung and unsprung mass (Class 280/754)
- To prevent vehicle tip or tilt (Class 280/755)
- Roll bars and/or overhead guards (Class 280/756)
- Antiskid or slide (Class 280/757)
- Auxiliary platform or frame attachment for tractors (Class 280/760)
- Parking assisting devices, nonpowered (Class 280/761)
- Exterior (Class 280/762)
- Auxiliary load starters (Class 280/151)
- Dust and mud guards (Class 280/847)
- Wheel scrapers and cleaners (Class 280/855)
- Dust guards (Class 280/159)
- Wheel guards (Class 280/160)
- Chafe irons (Class 280/161)
- Steps (Class 280/163)
- Whip sockets (Class 280/170)
- Hay load binder (Class 280/180)
- Rein supports and guards (Class 280/181)
- Rein holders (Class 280/182)
- Hitching and controlling devices (Class 280/186)