Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 8146925 | Face seal break-in compound The present disclosure provides a vehicle assembly, such as a metal face seal, that includes a break-in lubricant compound. The assembly lubricant compound may reduce friction and scoring between contacting surfaces of the assembly, especially during the initial bre... | 04/03/2012 |
| RE40244 | Vacuum actuated display ornaments Improved vacuum actuated display ornaments which adhere to surfaces by self-suction are improved by a wall thickness at the center of mass thicker than their peripheral wall thickness. ... | 04/15/2008 |
| 7348881 | Reflective law enforcement vehicle decoy A reflective law enforcement vehicle decoy comprises an image of a law enforcement vehicles reflective areas (FIG. 2), such as pursuit lights (12ab), headlights (14ab), decals (18,) numbering area (24), spot light ( | 03/25/2008 |
| 7338056 | One piece flexible skateboard A flexible skateboard may include a pair of direction casters mounted for steering rotation a twistable one piece skateboard. A center section may be made sufficiently narrower than outboard foot support areas which may be twisted by a rider to add energy for rollin... | 03/04/2008 |
| 7223152 | Wind propelled rolling toy Provided may be a wind propelled rolling vehicle with a self-adjusting sail that may be substantially formed in a relatively small, single sheet of material, or assembled onto a standard chassis. The exemplary embodiments may utilize bushings to spread dynamic loads... | 05/29/2007 |
| 7195252 | Kit for modifying an inline skate to roll in one direction only A kit for modifying an in line skate to role in one direction only consists of locking plate having a rectangular central hole an a shoulder along one edge, a tubular sleeve having a rectangular head sized to non-rotatably fit within the central hole of the plate, a... | 03/27/2007 |
| 7188005 | Vehicle capable of auditorily informing its state and method for auditorily informing state of vehicle Operational states of one or more operators employed in a vehicle are detected to generate operational information corresponding to the detected operational states. Also, one or more traveling states of the vehicle are detected to generate traveling information corr... | 03/06/2007 |
| 7165774 | External wheeled heeling apparatus and method An external wheeled heeling apparatus for walking and running and transitioning to rolling on a surface is provided. The apparatus includes a sole having a forefoot, an arch and a heel portion provided with a first side of the heel portion and a second side of the h... | 01/23/2007 |
| 7165773 | Heeling apparatus and method A heeling apparatus includes a shoe with a unique feature in the heel that allows one to walk, run, or roll seamlessly. The appearance is that of normal footwear because of the covert wheel assembly. The stealth wheel in the heel gives one the ability to roll or sli... | 01/23/2007 |
| 7153078 | Loading and unloading station and method for load carrier of vehicle bodies, vehicles and the like Through a loading and unloading station for load carriers of vehicle bodies, vehicles or the like, it is possible to unload vehicle bodies from a railway car in a continuous cycle and supply them to a production facility, wherein in one cycle simultaneously the load... | 12/26/2006 |
| 7124454 | Pneumatic cot for use with emergency vehicles An ambulance cot is provided having a wheeled carriage, a frame for mounting the wheels, a horizontally oriented patient litter supported from the wheeled carriage and variable, pneumatically powered height scissors frame. The pneumatic actuator is designed to give ... | 10/24/2006 |
| 7111853 | Transportable container for electrical devices A transportable container for electrical devices having aluminum bottom, top and end panels. The top and bottom panels are configured having spaced apart interior and exterior sheet members laser welded to a corrugate stiffener. Each end panel is structured with an ... | 09/26/2006 |
| 7090236 | Mounting system, sail, steering mechanism and frame for a landsailer A mounting system for a boom (14) of a landsailer (1) includes a resilient flexible member (12), at one end engageable with a rearward portion of the landsailer frame (2) and at the other end with the main sheet (13). A steering me... | 08/15/2006 |
| 7063336 | External wheeled heeling apparatus and method An external wheeled heeling apparatus for walking and running and transitioning to rolling on a surface is provided. The apparatus includes a sole having a forefoot, an arch and a heel portion provided with a first side of the heel portion and a second side of the h... | 06/20/2006 |
| 7008004 | Boattail plates with non-rectangular geometries for reducing aerodynamic base drag of a bluff body in ground effect An apparatus for reducing the aerodynamic base drag of a bluff body having a leading end, a trailing end, a top surface, opposing left and right side surfaces, and a base surface at the trailing end substantially normal to a longitudinal centerline of the bluff body... | 03/07/2006 |
| 6979003 | Heeling apparatus and method A heeling apparatus includes a shoe with a unique feature in the heel that allows one to walk, run, or roll seamlessly. The appearance is that of normal footwear because of the covert wheel assembly. The stealth wheel in the heel gives one the ability to roll or sli... | 12/27/2005 |
| 6932368 | Apparatus for harnessing wind to drive a bicycle A sail attachment which when connected to the bicycle harnesses wind to drive the bicycle forward. The attachment is adapted to fit on the rear of the bicycle above its rear wheel and is securable to the bicycle seat. The attachment is provided with a wind receiving... | 08/23/2005 |
| 6910698 | Skateboards Skateboards that incorporate a curved or arched board with wheel trucks and a cross member that may be repositioned on the board, with the board either in an arched upward or arched downward orientation. The cross member may have projections on its underside for loc... | 06/28/2005 |
| 6848647 | METHODS OF BUOYANT AND/OR SEMI-BUOYANT (BASB) VEHICLES UTILIZING BASB IN CONJUNCTION WITH PRESSURIZED FLUID STREAM JET (PJET) AND VARIOUSLY SHAPED BODIES, WINGS, OUTRIGGERS, AND PROPULSION/REPULSION CONFIGURATIONS A method wherein a vehicle is capable of movement on or over land, and/or on, over, or under water. Various body, wing, tail, and/or outrigger shapes facilitate movement and develop lift. Buoyancy or semi-buoyancy is developed utilizing various chambers to contain c... | 02/01/2005 |
| 6793226 | Suspension for a large round baler A large round baler includes a pair of ground wheels carried at opposite ends of an axle which is suspended from the frame of the baler by a pair of parallel, transversely spaced arms having first ends secured to the axle, and having second ends coupled to the frame... | 09/21/2004 |
| 6591168 | System and method for adaptable mobile user interface A system, method, and computer program product for automatically adjusting the output of presentation content based upon vehicle conditions. The method determines whether one of a plurality of vehicle conditions exists, such as conditions related to vehic... | 07/08/2003 |
| 6170837 | Wheel assembly An assembly for wheels which are mountable on objects, such as in-line skates and wheel chairs, which have a frame for receiving the wheel. The assembly has an axle with an axle shaft having a non-circular configuration, which is non-rotationally mountabl... | 01/09/2001 |
| 6059843 | Vehicle navigation system with improved powerup performance A navigation system includes a driver presence sensor and engine running detection circuitry. When the detection circuitry determines that the engine of the vehicle is not running, the navigation system enters a low power mode. When the presence of the dr... | 05/09/2000 |
| 6055479 | Vehicle navigation system with improved powerup performance A navigation system includes a driver presence sensor and engine running detection circuitry. When the detection circuitry determines that the engine of the vehicle is not running, the navigation system enters a low power mode. When the presence of the dr... | 04/25/2000 |
| 5607752 | Fiber reinforced plastic and an indication method thereof An FRP product of the state that a printed material is covered on its back surface side with a transparent surface mat by coating a surface of a mold with a gel coating to become an outer surface through a mold release agent, laying a glass mat of unsatur... | 03/04/1997 |
| 5431423 | Boat and utility trailer A boat and utility trailer including an elongated, cylindrical wheel rotatably mounted on the trailer axle between the conventional trailer wheels to support the trailer on sand, mud or the like as the trailer is towed over soft terrain by a vehicle. In a... | 07/11/1995 |
| 5143449 | Fibrous product mixing truck The invention relates to a fibrous product mixing truck having a mixing container (2) with one or more vertical scrolls welded onto corresponding rotating shafts. The container is mounted on a wheeled frame through the interposition of weighing cells (3).... | 09/01/1992 |
| 5120070 | Adjustable windmobile The adjustable windmobile allows the mobilist to maintain a stable center of gravity by manually adjusting both the seat and mast to their respective opposite sides when the direction of motion of the windmobile is reversed. Both the seat and mast base ar... | 06/09/1992 |
| 4971341 | Wheelchair retainer coupling A U-shaped frame has opposite pivoted jaws adapted to move to and from a position closing the frame gap. A releasable locking member is pivoted to the frame in half-bearings, and is held in place by a cover plate that similarly retains the journals of an ... | 11/20/1990 |
| 4966376 | Vehicle wheel suspension clearance detector Device for detecting clearance in the wheel suspension of a vehicle, comprising a frame, two wheel support plates mounted on said frame for rotation and movable during operation substantially in a horizontal plane, and drive means for moving said wheel su... | 10/30/1990 |
| 4943256 | Amusement device propelled by an eccentric apparatus An amusement device consisting of a base frame having a first and second end. A pair of ratchet wheel assemblies mounted to an supporting the second end of the base frame. A motor is mounted within the base frame. A cam is rotatably driven by the motor. A... | 07/24/1990 |
| 4765435 | Mobile well-logging laboratory A well-logging laboratory, for use with a well-logging tool which is suspended within a borehole by a wireline, includes a moveable frame upon which the wireless drum is mounted, and a moveable bulkhead is associated with the frame and various well-loggin... | 08/23/1988 |
| 4548418 | Trailer support stand A trailer support stand. The stand includes a base having a plurality of peripheral edges. A series of legs extend upwardly from the base and are connected at their upper ends to a generally flat plate. A ball is mounted in spaced relation above the plate... | 10/22/1985 |
| 4541750 | Surface spreader with column bypass An apparatus for accommodating and avoiding the interference of a column in line with an end of a spreader which applies particulate material to the surface of freshly-poured concrete. The apparatus includes an assembly for attachment to the column for su... | 09/17/1985 |
| 4540312 | Material spreader system with column bypass A material spreader system is designed to dispense a topping material onto the surface of a plastic substance lying within an area having a length, width and opposing sides. The material spreader system also includes features which enable it to dispense t... | 09/10/1985 |
| 4408772 | Sailing vehicle Disclosed herein is a sailing vehicle with a collapsible frame comprising two longitudinal supports, a plurality of identically constructed transverse struts detachably connected to the longitudinal supports, at least one sail mast, at least one seat, two... | 10/11/1983 |
| 4323266 | Motor vehicle priority control system for operating leveling and washing systems from a single source of compressed air A control unit for interfacing a single motor-driven air compressor with both an automatic vehicle leveling control system and a headlamp washer control system. The washer and leveling system commands are serviced according to a predetermined priority sch... | 04/06/1982 |
| 4236693 | Portable winch apparatus This improvement in the field of portable winches or towing devices comprises a shell of heavy construction, which is easily movable on integrally mounted retractable wheels, and which when in its desired location and directional orientation can by its ow... | 12/02/1980 |
| 4221396 | Wheel chair restraint A wheelchair wheel is received and restrained in a device mounted on the support for a folding seat in a mass transit vehicle. The wheel is held in a restrained position by a pair of pivotal jaws normally urged to an open position but actuated to a closed... | 09/09/1980 |
| 4200302 | Sail-propelled land vehicle A vehicle comprises a carrying board structure of a flat elongated configuration, means being provided on one face of said board structure for releasably mounting a sail-carrying mast structure, and two longitudinally spaced axle supporting means being re... | 04/29/1980 |