Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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 |
| 8109674 | Bearing assembly having a dual stage seal A bearing assembly is presented having a novel lubricant sealing design that, in one embodiment, combines the sealing advantages of both a labyrinth-like seal in combination with a contact seal. The improved seal includes a non-rotating seal case working in closely ... | 02/07/2012 |
| 8073788 | Analysis of powder metal production of a component A method of calculating the cost saving for producing a metallic component by the use of a powder metal process is provided. The method includes the steps of analyzing the current production method of the component, usually machining, to determine the current unit c... | 12/06/2011 |
| 8015635 | Structural bunk system A structural bunk system for a sleeper cab or other confined space is provided. The bunk system includes first and second shells that are made by injection molding and are then bonded together. The structural bunk system is secured to the wall of the sleeper cab or ... | 09/13/2011 |
| 7984862 | Rail anchor A rail anchor and a rail anchor assembly are provided for use with a concrete railroad tie. An elastomeric plate is placed on a top surface of the railroad tie. A rigid plate is placed on top of the elastomeric plate. The rail anchor is placed adjacent the elastomer... | 07/26/2011 |
| 7966946 | Railway truck pedestal bearing adapter A railway car truck includes side frames each having a pedestal formed on longitudinally opposite ends thereof. Each pedestal has an upper jaw and a lower jaw surrounding a pedestal opening. The upper jaw has a roof section above the pedestal opening and the lower j... | 06/28/2011 |
| 7955001 | Tapered roller bearing with improved cage A bearing assembly is provided having a roller bearing with an inner race fitted around the journal portion of an axle. An outer raceway combines with the inner raceway to receive roller elements. A backing ring is centered to the shaft fillet. Tapered roller elemen... | 06/07/2011 |
| 7931856 | Method of manufacturing crankshaft bushing A method of forming a crankshaft bushing or similar component is provided. A compaction die is provided having an axial, generally cylindrical internal opening. An upper and a lower punch are provided with exterior surfaces corresponding to the internal opening of t... | 04/26/2011 |
| 7926428 | Railway truck with bearing adapter A railway car truck is provided that includes two sideframes and a bolster. Each sideframe has a pedestal opening at each end to receive a bearing adapter assembly. The pedestal opening is formed by a roof section that includes a pad receiving opening. The bearing a... | 04/19/2011 |
| 7847443 | Manufacture of electric motor component The modular conical stator pole provides an improved conical stator assembly on electrical machines. The improved conical stator pole assembly comprises a plurality of stator poles, each pole comprising an assembly having a coil secured on a soft magnetic composites... | 12/07/2010 |
| 7827683 | Method for forming tapered piston pins A method is provided for cold forming center web or webless tapered piston pins in one forming sequence. The method eliminates secondary operations such as but not limited to machining, annealing, coating and secondary forming. The method includes the steps o... | 11/09/2010 |
| 7802774 | Cooling tower air inlet and drain pan A mechanical draft cooling tower is provided. The cooling tower includes a direct cooling section having a plurality of fill sheets. Water is sprayed downwardly over the fill sheets and is collected in a collection sump. The collection sump includes two end walls, t... | 09/28/2010 |
| 7780243 | Wheel hub The invention is directed to outside diameter piloting apparatus and method for concentrically aligning a disc rotor to a wheel hub. The pitch circle diameter of the annular piloting features is greater than the pitch circle diameter of the rotor mounting fasteners ... | 08/24/2010 |
| 7779898 | Heat transfer tube assembly with serpentine circuits A method and apparatus are provided for cooling fluids entering a closed circuit cooling tower. A triple circuit assembly is used to cool the fluid in the closed loop. The triple circuit assembly design allows a heat transfer tube bundle to maintain a relatively low... | 08/24/2010 |
| 7770628 | Control of casting machine Control is provided over the pouring of iron in the casting of iron pipe in a centrifugal casting machine. The initial flow of molten iron from the pouring ladle into the trough actuates an electric eye. A second electric eye is actuated when the molten iron has fil... | 08/10/2010 |
| 7744010 | Rail anchor isolator for railroad tie The present invention provides an isolator particularly adapted for use with a rail anchor utilized in an application where railroad rail is installed on concrete ties. The isolator protects the concrete tie from contact with the rail anchor caused by longitudinal m... | 06/29/2010 |
| 7744009 | Rail anchor isolator The present invention provides an isolator particularly adapted for use with a rail anchor utilized in an application where railroad rail is installed on concrete ties. The isolator protects the concrete tie from contact with the rail anchor caused by longitudinal m... | 06/29/2010 |
| 7677144 | Brake drum finishing and balancing An improved brake drum and method for machining and balancing a brake drum are provided. The inner facing surface and the outer facing surface of the brake drum are machined. The inner and outer faces of the hub end of the brake drum are also machined. The machining... | 03/16/2010 |
| 7610770 | Cooling tower seal joint An assembly for connecting two vertically aligned cooling tower modules is provided. The assembly includes a lower module with a top structural edge and an upper module with a bottom structural edge. The top structural edge of the lower module includes an outer stru... | 11/03/2009 |
| 7607836 | Seal for railway car journal bearing A bearing assembly is provided having a roller bearing with an inner raceway fitted around the journal portion of an axle. An outer raceway combines with the inner raceway to receive roller elements. A backing ring is centered to the shaft fillet. An annular wear ri... | 10/27/2009 |
| 7603774 | Cooling tower with direct and indirect cooling sections A mechanical draft cooling tower includes an air inlet and an air outlet. A liquid spray assembly is provided below the air outlet. A fill shell assembly is provided below the liquid spray assembly such that liquid can be sprayed onto the fill sheet assembly. An ind... | 10/20/2009 |
| 7568584 | Draft sill wear liner A liner for use in a draft sill to protect the sill from damage and wear caused by draft gear movement. The draft gear is attached to a coupling to transmit moving forces from the coupling to the car causing. The draft gear is isolated from the side walls of the dra... | 08/04/2009 |
| 7567010 | Modular electric motor with stackable stator poles A modular electric motor stator pole comprising a plurality of independent stator components stacked axially, each stator segment comprising a tooth tip, a back iron and a coil, the tooth tip comprising a stator face and a tooth body, the tooth body having a first e... | 07/28/2009 |
| 7549379 | Railway freight car side bearing A long travel constant contact side bearing for railway cars provides better handling characteristics, achieving improved tracking and curving through use of various combinations of features. The side bearing comprises a base and a generally cylindrical wall section... | 06/23/2009 |
| 7538467 | Magnetic powder metal composite core for electrical machines A compacted magnetic powder metal component assembly for use in an electrical machine is provided. Each component assembly has a top section and a bottom section. Each top section is comprised of a generally cylindrical center portion, a plurality of winding ... | 05/26/2009 |
| 7534047 | Journal bearing backing ring A bearing assembly is provided having a roller bearing with an inner case fitted around the journal portion of an axle. An outer raceway combines with the inner raceway to receive roller elements. A backing ring is centered to the shaft fillet. An annular wear ring ... | 05/19/2009 |
| 7527131 | Railway freight car truck An improved railway car truck is provide that includes two sideframes and a bolster. The bolster has laterally opposite ends, each end extending into and supported within a sideframe opening on a spring group. Each sideframe also has a pedestal opening at each end t... | 05/05/2009 |
| 7527003 | Railroad freight car sidebearing An improved side bearing for railway cars is provided that achieves improved tracking and curving by the limitation of rock of the railway car. The side bearing comprises a base with a generally upwardly extending wall portion. A cap comprising a top section with ge... | 05/05/2009 |
| 7513199 | Railway truck pedestal bearing adapter A railway car truck is provided that includes two sideframes and a bolster. Each sideframe has a pedestal opening at each end to receive a bearing adapter assembly. The bearing adapter assembly includes a cast steel bearing adapter that is formed to fit on top of a ... | 04/07/2009 |
| 7484718 | Cooling tower with direct and indirect cooling sections A mechanical draft cooling tower includes an air inlet and an air outlet. A liquid spray assembly is provided below the air outlet. A fill shell assembly is provided below the liquid spray assembly such that liquid can be sprayed onto the fill sheet assembly. An ind... | 02/03/2009 |
| 7469641 | Bolster and spring pockets for use with rail truck A bolster for use with a rail truck assembly comprising a spring receptacle having a plurality of spring pockets on the bottom of each bolster. The bolster slidingly attached to a side frame at each end. A spring group comprising load springs and control springs, th... | 12/30/2008 |
| 7389731 | Non-metallic insert for rail car bolster wedge Split wedges biased against sloped upper surfaces and the side walls of pockets in the ends of the bolster of a rail car truck are provided with non-metallic wear plates which interface with pocket side walls to reduce or eliminate pocket side wall wear. The wear pl... | 06/24/2008 |
| 7387074 | Railway truck bearing adapter A railway car truck is provided that includes two sideframes and a bolster. Each sideframe has a pedestal opening at each end to receive a bearing adapter assembly. The bearing adapter assembly includes a cast steel bearing adapter that is formed to fit on top of a ... | 06/17/2008 |
| 7374110 | Rail anchor isolator The present invention provides an isolator particularly adapted for use with a rail anchor utilized in an application where railroad rail is installed on concrete ties. The isolator protects the concrete tie from contact with the rail anchor caused by longitudinal m... | 05/20/2008 |
| 7353759 | Sideframe with adapters to connect surface brackets The present invention provides a sideframe for use in a traditional three piece railway fright car truck comprising a pair of laterally spaced sideframes supporting a bolster extending between the sideframes. Each sideframe comprises an elongated top compression mem... | 04/08/2008 |
| 7310958 | Control of heat exchanger operation A method of controlling the operation of a heat exchanger with evaporative and non-evaporative sections. The method includes the following steps: providing desired values of temperature or pressure; comparing present values of temperature or pressure to the desired ... | 12/25/2007 |
| 7308855 | Railway truck pedestal bearing adapter A railway car truck is provided that includes two sideframes and a bolster. Each sideframe has a pedestal opening at each end to receive a bearing adapter assembly. The bearing adapter assembly includes a cast steel bearing adapter that is formed to fit on top of a ... | 12/18/2007 |
| 7285893 | Magnetic powder metal component stator A compacted magnetic powder metal component stator for use in an electrical machine is provided. Each stator is comprised of a plurality of stator core assemblies. Each stator core assembly forms an arcuate section of the stator core itself. Each stator core assembl... | 10/23/2007 |
| 7179051 | Method of die casting compressor housings A compressor housing is provided for a compressor impeller. The compressor housing comprises an outer shell including an outer section, a midsection, and a center section. The midsection of the outer shell forms an upper volute wall portion of the compressor housing... | 02/20/2007 |
| 7147169 | Rail anchor isolator The present invention provides an isolator particularly adapted for use with a rail anchor utilized in an application where railroad rail is installed on concrete ties. The isolator protects the concrete tie from contact with the rail anchor caused by longitudinal m... | 12/12/2006 |
| 7121212 | Ride control constant contact side bearing arrangement A long travel constant contact side bearing for railway cars provides better handling characteristics, achieving improved tracking and curving through use of various combinations of features. Such a long travel side bearing is able to meet recent stringent American ... | 10/17/2006 |
