Land Vehicles Patents (Class 280)
- With tank leveling device (Class 280/7)
- Tank forms load support (Class 280/831)
- Insulated tank walls (Class 280/832)
- Saddle type; vehicle frame straddling (Class 280/833)
- Service tank (Class 280/834)
- Ground engaging or rolling wheel type (Class 280/836)
- Semitrailer tank vehicle (Class 280/837)
- Tank truck (Class 280/838)
- Trailer tank vehicle (Class 280/839)
- Including fail-safe override of hazardous condition (Class 280/5.501)
- Priority assignment between diverse control criterion (Class 280/5.503)
- Including condition or parameter adjustment occurring at longitudinally spaced vehicle axles (Class 280/5.504)
- Lateral and longitudinal vehicle attitude control (e.g., combinations of antidive, antipitch, antiroll, antisquat, antisway, antiyaw, riding, or suspension height) (Class 280/5.507)
- Lateral vehicle disposition (Class 280/5.508)
- Longitudinal vehicle disposition (e.g., antidive, antipitch, antisquat) (Class 280/5.513)
- Riding or suspension height (e.g., ground-clearance, "trim height") (Class 280/5.514)
- Suspension stiffness for ride comfort (e.g., damping coefficient, spring rate) (Class 280/5.515)
- Suspension geometry (e.g., camber, caster, toe-in/toe-out, wheel track, road contact) (Class 280/5.52)
- Wind sail for propelling or braking skier or skater (Class 280/810)
- Ice or roller skate boot attachment (e.g., cover, protector, etc.) (Class 280/811)
- Seat supported by ski pole (Class 280/812)
- Ski or pole having means to scrape snow or ice from ski or boot (Class 280/813)
- Clamp, tie, or case for carrying or storage of skis (Class 280/814)
- Combined (Class 280/816)
- Anti-crossover for skis (Class 280/817)
- Having means interconnecting skis for training (Class 280/818)
- Ski pole (Class 280/819)
- Scabbards for ice or roller skates (Class 280/825)
- Riding stick (Class 280/826)
- With occupant propelled means (Class 280/12.1)
- Wheel runner (Class 280/13)
- Hub runner (Class 280/14)
- Skis converted to sled (Class 280/14.1)
- Standing occupant (Class 280/14.21)
- Multiple sled (Class 280/15)
- Toboggan (Class 280/18)
- Shelter sled (Class 280/19.1)
- Folding (Class 280/20)
- Occupant steered (Class 280/21.1)
- Push (Class 280/23.1)
- With draft attachment (Class 280/24)
- Spring (Class 280/25)
- Rocker runner (Class 280/26)
- Knees (Class 280/27)
- Runner bases (Class 280/28)
- With brake (Class 280/28.11)
- Container type (Class 280/28.12)
- Logging type sled (Class 280/28.13)
- Central runner (Class 280/28.14)
- Auxiliary top, bottom, or side runners (Class 280/28.16)
- Machinery sled (Class 280/28.17)
- Occupant propelled type (Class 280/200)
- Convertible (Class 280/30)
- With worker's support or shade (Class 280/32.5)
- Riding attachment (Class 280/32.7)
- Articulated vehicle (Class 280/400)
- Nesting vehicles (Class 280/33.991)
- Extensible (Class 280/638)
- Coasters (Class 280/87.01)
- Body rocking by wheel rotation (Class 280/47.1)
- Wheel steering by attendant (Class 280/47.11)
- Vehicles with rocker or fulcrum supports auxiliary to wheels (Class 280/47.12)
- Tiltable vehicles, stabilized by attendant or article (Class 280/47.131)
- Stable vehicles, handle-propelled (Class 280/47.34)
- Dropped bodies (Class 280/2)
- Three-wheel (Class 280/62)
- Two-wheel (Class 280/63)
- One-wheel (Class 280/78)
- Spring (Class 280/79)
- Body with bracketed-type or nonsuspended axles (e.g., platform type) (Class 280/79.11)
- Running gear (Class 280/80.1)
- Attachment (Class 280/727)
