Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7156714 | Surfer lift system A rider is suspended a distance beneath a lift cable and moved over a region of water with incoming waves. The distance that the rider is suspended beneath the lift cable is controllably increased and, thereafter, the rider enters the water, such as to surf the wave... | 01/02/2007 |
| 7090241 | Low-high chair The low-high chair provides a specially designed wheelchair with a seat that can be raised or lowered so that the wheelchair can be maneuvered in or out of a van without the risk of bumping someone's head on the roof of the van. The chair may also be adjusted for ot... | 08/15/2006 |
| 6957716 | Emergency stairway escape apparatus for wheelchairs An emergency stairway escape apparatus permitting wheelchairs to egress a multi-story building via a stairway comprises a ramp platform of sufficient width to cover at least half of each stair tread and of sufficient length to span from an upper landing to a lower l... | 10/25/2005 |
| 6957440 | Methods for translating and reading optical disks The present disclosure provides apparatus and methods for reading optical disks. Some implementations are particularly well suited for automatically playing both sides of a dual-sided optical disk. By coordinated delivery of disks between a disk reader, a disk trans... | 10/18/2005 |
| 6237502 | Sheave arrangement suitable for slack pulling carriage A sheave arrangement having a driving drum and a tension wheel. The driving drum includes a circumferential groove that has two side walls disposed at an angle, alpha. A line preferably is placed between the drum and tension wheel such that a substantiall... | 05/29/2001 |
| 6223660 | Timber hauling device A travelling device for hauling timber has a loading ramp (4) for the wood and a loading crane (5). Two cable drums (12, 13) with cables (18, 19) are attached to one frame (1), and one cable (19) can be attached in front of and the other cable (18) behind... | 05/01/2001 |
| 6152044 | Skier towing system A system for towing skiers up shallow slopes, comprising a continuously moving rope with a towing run resting on and sliding along the surface of the snow, and a return run held in a raised position by line towers. A safety device stops the system should ... | 11/28/2000 |
| 5732635 | Amusement power-cable-propelled and channel-guided boat ride structure Cable driven racing boats compete in a simulated race including forward and return heats. In the forward heat, the racing boats are accelerated along parallel guide channels from a forward launch station into a shallow splash lake, and then hydroplane to ... | 03/31/1998 |
| 5553548 | System and method for moving an occupied wheelchair between two levels A method and device for moving an occupied wheelchair between two levels involves tracks mounted on stairs and a pull cable that is substantially aligned with the center of gravity of the chair and is anchored above the upper level. The tracks have a tran... | 09/10/1996 |
| 5142991 | Inclined rail trolley safety device with lever operated cable shieve for taking up slack in the cable to control trolley drive A safety device for a trolley riding an inclined track. The safety device includes a safety line running parallel to a tow cable operating the trolley. The trolley includes a lever with a distal end continuously engaging the safety line. When the lever is... | 09/01/1992 |
| 5105741 | Portable equipment handling apparatus A portable equipment handling apparatus comprises a track assembly that can be laid out in any desired configuration throughout a manufacturing plant, on a construction site or other desired facility. A movable platform is mounted on the track assembly an... | 04/21/1992 |
| 5069863 | Dual winch nuclear fuel transfer system providing more reliable fuel transfer during refueling operations A transfer system moves fuel assemblies along a track extending through a transfer tube within a containment wall in a nuclear power plant between the auxiliary building side and the containment building side. A car carries a basket for the assemblies. Tw... | 12/03/1991 |
| 4972778 | Arrangement relating to a cable winding device installed at the end of a store line or transfer line The object of the invention is an arrangement relating to the cable winding device that moves the transfer vehicles (2) of a store and/or transfer line (1, 10), located at the end of the line, in which the store line (1) is formed of sequential store plac... | 11/27/1990 |
| 4926755 | Rail car moving system A rail car moving system including a double truck assembly which is operative in a guide track alongside the rail track for applying a pushing force to a rail car. The double truck assembly includes pusher arms which are movable from a recessed position t... | 05/22/1990 |
| 4895079 | Vehicle hauling process and apparatus A process is described for hauling a loaded motorized dump truck up an untracked incline typically found in mining situations. The process makes use of the momentum of an unloaded dump truck to facilitate the hauling of the loaded truck. In one form of th... | 01/23/1990 |
| 4725398 | Cable reeving system A cable-driven arm-reciprocating system particularly useful for transferring nuclear fuel bundles from a nuclear reactor pool to a spent fuel storage pool, wherein an arm-retracting cable extends from a winch drum around fixed and movable-axis sheaves to ... | 02/16/1988 |
| 4387481 | Soot blower The disclosure is directed to a soot blower of the long retracting type. In accordance with the invention, a novel cable drive system is provided to impart a traverse motion to the lance tube of the soot blower. The cable drive system comprises a rotatabl... | 06/14/1983 |
| 4365927 | Slash recovery system A vehicle for removing slash from steep logging slopes includes an anti-skid propulsion system characterized by a power winch for reeling in an uphill-anchored cable and a pair of crawler tracks (or large tires) driven in synchronization with the winch. T... | 12/28/1982 |
| 4353307 | Towing device for use in the surf There is provided an apparatus for towing surfers out into a body of water. The device includes an anchor in the body of water and a buoyant member connected thereto carrying a pulley adjacent the surface of the water. An endless flexible line is reeved a... | 10/12/1982 |
| 4353527 | System for inhauling and outhauling lines A cable hauling system includes a drive shaft, a haulback shaft with a haulback drum mounted thereon, and a main shaft with a main drum mounted thereon. A first pair of gears operatively associated with the drive shaft and the main shaft includes a positi... | 10/12/1982 |
| 4329104 | Cargo handling apparatus An improved cargo handling apparatus is described herein, which includes a crane truck, adapted to travel along a wharf sloped surface and to be fixedly positioned in the proximity of a mooring position of a ship for the loading or unloading of cargoes, a... | 05/11/1982 |
| 4327647 | Funicular railway First and second cars are movable on an inclined track and adapted to bypass each other at an intermediate turnout of the track. A traction cable is trained around a reversing pulley at the upper end of the track and has two courses extending along the tr... | 05/04/1982 |
| 4164289 | Logging carriage A logging carriage is mounted by hinged sheaves for travel along an elevated cable for the conveyance of felled logs to a log unloading site. The carriage is moved in one direction along the elevated cable by an in haul line which is attached at one end t... | 08/14/1979 |
| 4054210 | Apparatus for transporting and handling pipe Pipe handling apparatus for transporting pipe in a pipe carrier between a pipe rack and a derrick floor wherein the pipe carrier is supported by a first cable and is manipulated between the pipe rack and the derrick floor by a second cable which is operab... | 10/18/1977 |
| 3987735 | Railway car spotting system A railway car positioning carriage movable back and forth along a track parallel to a railway track is provided with a member for engagement with the end of a car on the railway track to move it. A pair of sheaves are rotatably mounted on the carriage, an... | 10/26/1976 |
| 3934517 | Cable connection with slack cable-brake release for an aerial cableway A cable connection with slack cable-brake release for an aerial cableway, wherein a traction cable and possibly a counter cable are secured to the travelling mechanism or carriage of the aerial cableway and a brake mechanism of the aerial cableway is auto... | 01/27/1976 |
