Quotables
"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
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 |
| 6875346 | Filter A filter cartridge for filtering impurities and the like from a swimming pool or other body of water is provided. The filter cartridge is positioned in a receptacle for receiving water and for recirculating it back to the pool. The filter cartridge includes a core c... | 04/05/2005 |
| 6851547 | Conveyor and method for transporting workpieces A conveyor for and method of transporting workpieces along a path having a straight portion and a curved portion are provided. Workpieces during certain operations must be maintained a minimum distance apart during transportion. The workpieces, on the curved portion... | 02/08/2005 |
| 6633015 | Soft-touch pneumatic drive unit A soft-touch pneumatic drive unit for welding is provided. The drive unit includes a first section, a second section, and a third section. A piston rod extends substantially throughout these sections and contains a drive piston in the second section and a... | 10/14/2003 |
| 6045258 | Temperature-measuring assembly A temperature-measuring assembly indicates temperatures in a cold space subject to relatively rapid changes in air temperature from time-to-time. The assembly includes an elongate, tubular container having an open end. A cap with an opening therein is loc... | 04/04/2000 |
| 5842311 | Gutter screen or cover A gutter screen is provided to be placed over the open top of a gutter to enclose the top to enable water to enter but to keep debris out. The gutter screen has a longitudinally-extending front portion, a longitudinally-extending rear portion, and an inte... | 12/01/1998 |
| 5655968 | Driveshaft with sealed slip joint seal A slip joint for a driveshaft having first and second universal joint yokes includes a first shaft extending rearwardly of the first yoke and rotatable therewith and a second shaft extending rearwardly of the second universal joint yoke and rotatable ther... | 08/12/1997 |
| 5632911 | Apparatus for aiding in the manipulation of a tool Apparatus for aiding in the manipulation of a tool by supporting the weight thereof is designed particularly for a resistance welding tool. The apparatus includes an overhead support, a curved bar hanging below the support, a trunnion connected to a lower... | 05/27/1997 |
| 5626520 | Reversible universal joint seal A universal joint seal is symmetrical about a transverse plane taken centrally therethrough. In this manner, the seal can be properly and correctly inserted into a bearing cup from either end. This eliminates the requirement for sorting for orientation of... | 05/06/1997 |
| 5606917 | Table assembly with slidable table A table assembly for use with seating apparatus has a base plate of sufficient size to fit under supports on at least one side of the seating apparatus. The seating apparatus stabilizes and supports the base plate which has a sleeve or the like at a forwa... | 03/04/1997 |
| 5606918 | Table assembly with base plates for use with seating apparatus A table assembly for seating apparatus has from one to four base assemblies positioned under one to four corner support portions of the seating apparatus. A first elongate base plate of the first base assembly extends under a first support portion on one ... | 03/04/1997 |
| 5566815 | Conveyor system with load bars A conveyor has an overhead rail with a generally horizontal portion and an angled portion. Rollers are rotatably supported on the rail and have supports extending therebelow and rotatably connected to the rollers. At least two elongate load bars are space... | 10/22/1996 |
| 5479865 | Table with elongate support and base plate for use with seating apparatus A table assembly for use with seating apparatus has a base plate of sufficient size to fit under supports on at least one side of the seating apparatus and has an elongate member or post extending upwardly from a forward portion of the base plate to suppo... | 01/02/1996 |
| 5449878 | Resistance spot welding of metal, particularly aluminum A method and apparatus for resistance spot welding aluminum comprises polishing the electrode tips periodically after a number of welds. During the spot welding, a coating or dust builds up on the electrode tips and this has been generally assumed to be p... | 09/12/1995 |
| 5407387 | Universal joint seal A universal joint has a primary seal and a secondary seal. The universal joint includes a cross and a bearing cup with the cross having a body and a trunnion and an annular shoulder with an adjacent surface of circular cross section at the juncture of the... | 04/18/1995 |
| 5389039 | Universal joint lubricant retainer A lubrication system is set forth for a universal joint. A cross of the universal joint has four trunnions extending therefrom along two mutually perpendicular lines. Bearing cups are rotatably received on the ends of the trunnions and the cups, in turn, ... | 02/14/1995 |
| 5368523 | Fixed CV universal joint with serviceable inserts A fixed constant velocity universal joint having direct spherical contact and support between inner and outer race members to prevent axial movement has inserts which can be replaced, when worn, with new inserts. The universal joint includes an inner race... | 11/29/1994 |
| 5342240 | High capacity universal joint A high capacity universal joint has a larger cross with larger bearings surfaces. The cross has a heavier main body with four legs, the diameters of which are larger than those of a standard cross used with yokes of a given size. The cross can also have l... | 08/30/1994 |
| 5305481 | Mobile salon station A mobile salon station comprises a cart having two generally upright frame members which are vertically adjustable. The cart further has wheels and feet and two horizontal shelves. Two supporting rods are mounted on the frame members and support a basin h... | 04/26/1994 |
| 5306028 | Change cart A change cart for gambling casinos includes a box-like housing mounted on wheels. The housing has an upper compartment accessible from the top for containing rolls of coins and a compartment accessible from the back containing a drawer for dollar bills. A... | 04/26/1994 |
| 5303815 | Conveyor rack system A conveyor has an overhead conveyor rail with a horizontal portion and an angled portion. A receptacle is carried by supports below the rail with the receptacle positioned transversely to the rail. A two-piece rack hanger has an upper part with an upper a... | 04/19/1994 |
| 5299982 | Slip joint seal for a driveshaft A slip joint seal for a driveshaft is between two universal joint yokes. A male splined shaft rotates with a first yoke and a female splined shaft rotates with a second yoke, with the two being mechanically engaged for slidable but nonrotational movement ... | 04/05/1994 |
| 5293825 | TV table A TV table assembly for use with a chair has a base plate of a sufficient size to fit under a front leg and a back leg on one side of the chair. A lower sleeve is affixed to and extends upwardly from a forward portion of the base plate. A post has a lower... | 03/15/1994 |
| 5279014 | Vehicle-mounted broom A rotary broom is mounted on the front of a vehicle, such as a tractor. The broom can be pivotally raised and lowered as well as pivoted sideways. The broom is rotatably mounted in bearing blocks which are removably supported by a generally C-shaped frame... | 01/18/1994 |
| 5278511 | Compact lamp and circuit tester for vehicles, particularly automobiles A tester for testing sealed lamps and lamp circuits of vehicles includes an elongate housing. The housing has pointed projections extending from one end wall to be received in a base of a lamp and has blunt projections with recesses in the other end wall ... | 01/11/1994 |
| 5259346 | Rocker arm of the cam-follower type for operating two valves A rocker arm of the cam-follower type simultaneously operates two valves of a cylinder of an internal combustion engine. The rocker arm includes an intermediate portion and two end portions. The intermediate portion has upwardly extending side walls and e... | 11/09/1993 |
| 5253742 | Conveyor hangers with articulated linkages A conveyor has an overhead rail with a chain therebelow moving rollers along the conveyor rail. A first link is affixed to the conveyor chain and extends perpendicularly thereto for all portions of the conveyor rail. A second link is located below the fir... | 10/19/1993 |
| 5230658 | Driveshaft with slip joint seal A slip joint seal for a driveshaft is between two universal joint yokes. A male splined shaft rotates with a first yoke and a female splined shaft rotates with a second yoke, with the two being mechanically engaged for slidable but nonrotational movement ... | 07/27/1993 |
| 5226525 | Conveyor rack system A conveyor has an overhead conveyor rail with a horizontal portion and an angled portion. A receptacle is carried by supports below the rail with the receptacle positioned transversely to the rail. A two-piece rack hanger has an upper part with an upper a... | 07/13/1993 |
| 5222914 | Serviceable CV universal joint with inserts A constant velocity universal joint has replaceable inserts for ball grooves. The inserts and balls can be removed and replaced with new ones as needed, without the requirement of replacing the entire universal joint. The inserts can be made from solid bl... | 06/29/1993 |
| 5221468 | Pneumatically-operated filtering apparatus with filter movement controlled by level sensor Filtering apparatus employs both pneumatic controls and a pneumatic drive to eliminate all electrical components. The filtering apparatus includes a perforate plate and a tank with a strip of filtering media supported on the plate. Contaminated liquid is ... | 06/22/1993 |
| 5218821 | Pressure intensifier cylinder utilizing air A pressure intensifier drive unit has walls that form a cylinder with an intermediate divider plug separating a working chamber and a pressure intensifying chamber aligned in the cylinder. The working chamber has a working piston and a working piston rod ... | 06/15/1993 |
| 5207191 | Boat-type rocker arm with stiffening member A one-piece, cold-formed rocker arm is of the boat-type. It includes a one-piece metal body which is cold formed from a metal blank and is of generally U-shaped cross-sectional configuration throughout most of its length. The rocker arm body has two gener... | 05/04/1993 |
| 5201107 | Method of assembling a constant velocity universal joint An outboard constant velocity universal joint for a steered wheel of a vehicle includes a one-piece, structurally-integral inner race and first shaft and a one-piece, structurally-integral outer race and second shaft. The inner race has an outer surface o... | 04/13/1993 |
| 5199842 | Wheelchair carrier A wheelchair carrier attaches to the back of a vehicle for transporting a wheelchair. A supporting frame attaches to a trailer hitch or the like and can pivot upwardly, out of the way, when not in use. A wheelchair housing is detachably mounted on the sup... | 04/06/1993 |
| 5192939 | Cleaning device for rotary controls e.g. potentiometers and switches A device for cleaning the contacts of a potentiometer or the like. The potentiometer has an externally threaded cylinder extending outwardly from a panel of an electronic unit and has a concentric rotatable shaft extending therethrough. The shaft has at l... | 03/09/1993 |
| 5191825 | Low-impact air cylinder A low-impact drive unit operates by air under pressure. It includes aligned working and pressure chambers. The working chamber contains a working piston and a working piston rod extending from an end of the chamber. The pressure chamber contains a rear ou... | 03/09/1993 |
| 5171967 | Stud-welding circuit with a plurality of outputs A stud welding machine features several welding outputs for welding tools with different polarity for various welding operations. The polarity of at least one welding output is reversible.... | 12/15/1992 |
| 5161903 | Intermediate drive shaft support utilizing a standard bearing An intermediate bearing support for a drive shaft of a vehicle is required when three or more universal joints are embodied in a driveline between a transmission and a differential. Special bearings of particular dimensions and having wider inner races th... | 11/10/1992 |
| 5152371 | Lightweight scaffolding Lightweight scaffolding is made of aluminum or other lightweight material. The scaffolding includes end frames with vertical and horizontal frame members, the latter having special shapes for greater strength in a vertical direction with rounded top surfa... | 10/06/1992 |
| 5147122 | Tape storage rack An article of furniture includes provisions for the storage of tapes and the like. The article can be an entertainment center having a storage unit at one end or both ends, or it can be a free-standing, combined storage unit. The unit includes a stationar... | 09/15/1992 |
