...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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 |
| 7346985 | Bearing assembly spacer adjustment system and method for adjusting spacer A system for adjusting at least one spacer of a bearing assembly includes a force-transmitting member and a preload regulator. The force-transmitting member is configured to operatively receive a force and to transmit the force to an adjustable spacer. The preload r... | 03/25/2008 |
| 7251892 | Bearing assembly spacer adjustable system and method for adjusting a spacer A system for adjusting at least one spacer of a bearing assembly includes a force-transmitting member and a preload regulator. The force-transmitting member is configured to operatively receive a force and to transmit the force to an adjustable spacer. The preload r... | 08/07/2007 |
| 7165471 | Thermally compensated differential A thermally compensated differential comprises a housing, a pinion gear mounted into the housing, a differential case carrying a ring gear with the case being supported by a first roller bearing and a second roller bearing with the bearings being mounted indirectly,... | 01/23/2007 |
| 7150565 | Cylindrical roller bearing Contact surface pressure P increases rather drastically in proportion to skew angle θ within the range of 0 | 12/19/2006 |
| 7143545 | Security bar with multiple internal rolling bars and electronic monitoring A security bar providing improved security from breach is obtained with the use of a plurality of free rolling inner bars. Illustratively, three inner rolling bars, arranged in a triangular relationship, are provided inside a cylindrically hollowed out outer bar, th... | 12/05/2006 |
| 7056589 | Plain bearing composite material The invention relates to a plain bearing composite material with a metallic base layer, optionally with a porous support layer applied thereto and a lead-free bearing layer, forming a bearing surface for a bearing partner with a bearing surface material made from pl... | 06/06/2006 |
| 7056590 | Plain bearing composite material The invention relates to a plain bearing composite material provided with a metallic support layer, optionally with a porous carrier layer applied thereto, and with a lead-free sliding layer, which forms a sliding partner and whose sliding layer material is based on... | 06/06/2006 |
| 7036990 | Rotary bearing assembly having a preset breaking point A rotary bearing assembly having a preset breaking point, particularly for a rotor of a turbo engine, includes a rotary bearing arranged between a nonrotating bearing carrier housing and a bearing carrier rotating about a rotational axis, the rotary bearing being fi... | 05/02/2006 |
| 6976462 | Double roller cam follower A double roller cam follower includes a longitudinal beam having a first end and a second end, a cam roller rotationally mounted on the beam for engaging a cam lobe and a valve stem roller rotationally mounted on the second end of the beam for engaging a valve stem.... | 12/20/2005 |
| 6904681 | Method for fabricating a driving and locking mechanism The present invention is a method for fabricating a driving and locking mechanism. The present invention provides a bearing device having a first end and a second end, where the first end has a curvilinear shape. The present invention also provides a strip of metal ... | 06/14/2005 |
| 6460498 | Rocker arm It is aimed to prolong the life of a rocker arm in which rollers are housed in a full type form between a ring and a pin from a viewpoint completely different from the idea of improving the material. It is proposed to suitably control the relation between... | 10/08/2002 |
| 6440237 | Process for forming cold formed high-load bearing steel parts A process for forming a roller bearing comprising the steps of providing a cylindrical slug that comprises at least 0.7 weight percent carbon and up to 1.6 weight percent of at least one alloying element. The slug has lateral and side surfaces. A centered... | 08/27/2002 |
| 6398420 | Rolling bearing device The material of inner ring, outer ring and rolling element is formed by a steel material having a chromium (Cr) content of 5% by weight or more. The material is then subjected to cutting. Thereafter, the material thus cut is subjected to heat treatment so... | 06/04/2002 |
| 6015238 | Rolling bearing for rotary movements A rolling bearing for rotary movements comprising an inner bearing ring (1), an outer bearing ring (2) and rolling elements in the form of rollers arranged between said inner and outer bearing rings for permitting a transmission of radial and axial forces... | 01/18/2000 |
| 5897107 | Roller bushing assembly A roller bushing assembly (21d, 21e, 21f) designed to enable a low tolerance, frictional fit within an out-of-round or otherwise distorted support member (5, 9) includes a bushing member (29a, 216) having an outer surface (102) machined to provide various... | 04/27/1999 |
| 5779020 | Bearing arrangement for rotatably mounting a shaft to the drum of a centrifugal clutch An assembly for rotatably mounting a shaft to a member includes a passage formed in the member within which the shaft is received, and a series of grooves formed in an internal wall which defines the passage. The grooves extend parallel to the axis of the... | 07/14/1998 |
| 5626974 | Rolling bearing for use under high temperature conditions In a rolling bearing including an inner race, an outer race and a plurality of rolling elements in which at least one member of the inner race, the outer race and the rolling elements is made of a high carbon steel material and has a Rockwell hardness of ... | 05/06/1997 |
| 5567508 | Rolling bearing with surface hardened layer One of components of a rolling bearing which includes an inner race, an outer race and a plurality of rolling elements is carburized or a carbonitrided to form a surface hardened layer, and the depth of the hardened layer is 0.025 to 0.045 times the avera... | 10/22/1996 |
| 5562348 | Roller bushing A roller bushing assembly for use in a vehicular leaf spring suspension system pivotally supports an end of a leaf spring so as to minimize transmission of roadway induced shock and vibration loads to the vehicle and driver. The roller bushing assembly in... | 10/08/1996 |
| 5332317 | Sliding/rolling bearing having rolling elements A small bearing which has the characteristics of a sliding bearing having a small coefficient of friction and of a rolling bearing, includes an outer metallic cylinder, a plastic inner cylinder, rolling elements, and a collar, with a plurality of rolling ... | 07/26/1994 |
| 5324119 | Needle roller bearing A needle roller bearing is directed to avoid a possibility that an inner peripheral surface of a bore in a housing may be ground or scraped by an edge defining a peripheral lip region of an opening in an outer race when a needle roller bearing is to be pr... | 06/28/1994 |
| 5086560 | Method of assembling prestressed frictionless bearings A pre-stressed radial thrust frictionless bearing device comprising an annular inner race with a certain outer radius, an annular outer race with a certain inner radius, and an array of bearings rolling between the inner and outer races. Each of the beari... | 02/11/1992 |
| 5040907 | Bearing system with redundancy of races A bearing system providing redundancy of bearing function. An inner race and an outer race are concentric and axially spaced apart from one another. A bearing set includes a pin of individually rotatable bearing wheels. The wheels are mounted by an interm... | 08/20/1991 |
| 4966472 | Roller bushing A roller bushing assembly for use in a vehicular leaf spring suspension system pivotally supports an end of a leaf spring so as to minimize transmission of roadway induced shock and vibration loads to the vehicle and driver. The roller bushing assembly in... | 10/30/1990 |
| 4906112 | Multirow ball or roller bearing or combined ball/roller bearing A large antifriction bearing, wherein one of the inner ring parts or the outer ring parts are provided with axially extending, wide toothing. At least one or both of the inner and outer ring parts is divided into cooperating parts through the axis of the ... | 03/06/1990 |
| 4886377 | Rotary body of hard material with plastic supporter A rotary body of hard material with a plastic supporter and a method of manufacturing therefor, which essentially comprises a coating film coated with the rotary body and removed after molding so as to make a clearance between the rotary body and the supp... | 12/12/1989 |
| 4875787 | Bearing bushing for universal joint pins In a bearing bushing for universal joint pins, a thrust washer on the bottom of the bearing bushing has a contact surface for a plurality of cylindrical rollers and for a universal joint pin. The thrust washer has a number of recesses on the side facing a... | 10/24/1989 |
| 4793719 | Precision roller bearing rock bits A sealed bearing roller cone rock bit is disclosed having precision roller bearings with very close fits. The bearing package includes highly refined and hardened surface finishes, special roller bearing metal materials and lubricants with specific lube v... | 12/27/1988 |
| 4770549 | Ceramics bearing A ceramics bearing comprising an inner ring, and outer ring, and a plurality of rolling elements rollably arranged between the inner and outer rings which is characterized in that the fracture toughness factors KIC (MPam1/2) of the inner and th... | 09/13/1988 |
| 4690574 | Bearing and method for rotatably supporting a worn shaft An apparatus is provided to rotatably support a shaft having an annular worn portion and unworn portions disposed adjacent to axially opposite ends of the worn portion. The apparatus includes a plurality of bearing elements. The bearing elements engage th... | 09/01/1987 |
| 4673302 | Double row cylindrical expansion bearing A double row cylindrical expansion bearing assembly in which a recessed cylindrical outer raceway has an axial length substantially the same as the axial length of the double row of rollers and the inner race has a raceway of an axial length in excess of ... | 06/16/1987 |
| 4657414 | Roller bearing with lubricant reservoir An outer cup made from flat sheet metal encloses an inner cup also made from flat sheet metal. The inner cup has an open end adapted to receive the end of a rotatable member, such as a shaft. The other end of the inner cup has a closed end axially spaced ... | 04/14/1987 |
| 4639202 | Gerotor device with dual valving plates Apparatus responsive to fluid pressures and capable of providing fluid under pressure to provide a unit which may selectively be used as a fluid motor or a fluid driven motor pump unit depending upon fluid directing and control structures and with minimal... | 01/27/1987 |
| 4634300 | Rotating member supporting apparatus A rotating member supporting apparatus has a rotating shaft which is inserted to a bore formed in a support member. A rolling bearing is interposed between the rotating shaft and support member and rotatably supports the rotating shaft. The bearing includ... | 01/06/1987 |
| 4623269 | Wheel bearing protection apparatus The rotatable guide wheel of a transit vehicle is supported by a vertical stationary shaft by at least one main support bearing. Upon failure of that main support bearing the guide wheel shifts position for operation with one of a sleeve bearing coupled w... | 11/18/1986 |
| 4621932 | Four-row cylindrical roller bearing for the working or back-up rolls of high-speed rolling stands Four-row cylindrical roller bearing for the working or back-up rolls of high-speed roll stands, in which, so that the rollers of all rows can roll evenly at high speeds without slippage, and also so that the bearing can be easily disassembled, the inner r... | 11/11/1986 |
| 4611935 | Adjustable shaft support arrangement A scheme for accurately and quickly axially positioning a rotatable member such as the axles of a differential or a shaft supported impeller of a centrifugal pump within a housing or similar support for rotation therein with predetermined axial bearing cl... | 09/16/1986 |
| 4584442 | Welding cable reel system A welding cable reel system including an insulated reel mounted on an electrically conducting bearing assembly, the assembly in turn mounted on a hub which is rotatably mounted on a shaft which is connected to an insulated support post. A cable being conn... | 04/22/1986 |
| 4512729 | Drive bearing device for a fluid displacement apparatus A fluid displacement apparatus is disclosed which includes a housing having a front end plate, a fixed fluid displacement member and an orbiting fluid displacement member. The fixed and orbiting members interfit to make a plurality of line contacts to def... | 04/23/1985 |
| 4508396 | Method of producing bearing component A method of producing a bearing component such as an inner ring, an outer ring and rolling elements having a solid lubricant on a frictional surface part thereof, which comprises a step of forming a coating of a material on a frictional surface part of a ... | 04/02/1985 |