Quotables
"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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 |
| 4285629 | Fire fighting boom assembly for service vessel An extendable utility boom assembly for assisting fire-fighting operations performed from a semi-submersible service vessel upon an offshore platform is disclosed. The boom assembly is moved to operating position by means of a carriage assembly which is m... | 08/25/1981 |
| 4268217 | Load carrying apparatus An apparatus for picking up, carrying and depositing loads is made as an attachment for a machine such as a backhoe having an articulated boom provided with a hydraulic ram normally used to operate a digging bucket. The attachment includes co-operating fr... | 05/19/1981 |
| 4266910 | Pipe positioner boom and head assembly for pipe laying frame An elongated boom including relatively telescoped base and extension sections is provided with the base section pivotally supported from a mount for oscillation relative thereto about a horizontal axis extending transversely of the base section. First mot... | 05/12/1981 |
| 4266819 | Grapple apparatus A self-adjusting pipe or pole grapple apparatus has a frame having a coupler system attached thereto for coupling to wheel or crawler type loaders. The grappler includes a pair of elongated lifting fork tines for lifting pipes, poles, or elongated members... | 05/12/1981 |
| 4198747 | Hydraulic shear A hydraulic shear for a backhoe. The backhoe includes a boom and a forwardly extending stick pivotally mounted to the boom. The hydraulic shear pivotally mounts on the forward end of the stick and includes a first forward shear blade, an opposing second c... | 04/22/1980 |
| 4188721 | Attachment for a back hoe A back hoe attachment for cutting and moving cables or the like pivotally positions a cutting blade and hook on the end of a back hoe boom for actuation by a piston and cylinder of the back hoe. A fixed blade is secured to the boom forming a shear point b... | 02/19/1980 |
| 4182593 | Bale loading and handling device Improvements in large bale handlers and loaders which are tractor mounted and include (1) a frame pivotably mounted on a tractor; (2) lifting device operative to elevate the frame in pivotable movement around its connection to the tractor and also lower i... | 01/08/1980 |
| 4155473 | Material handling apparatus Material handling apparatus, including a bucket and a clamp arm mounted on the bucket, the clamp arm being movable from an operative position, where it cooperates with the operative edge of the bucket in handling material, to a storage position where it i... | 05/22/1979 |
| 4148161 | Loading unit for an automatic bur grinding machine A bur grinding machine especially adapted to grind dental burs and including a turntable supporting a plurality of similar workheads having collets to support bur blanks; a plurality of grinding units mounted on a stationary base in circumferentially spac... | 04/10/1979 |
| 4131210 | Backhoe jaw attachment A jaw attachment for a backhoe has a first jaw affixed to the dipper stick of the backhoe and a second jaw pivotally mounted on the dipper stick such that a gripping portion of the second jaw is movable toward and away from a mating gripping portion of th... | 12/26/1978 |
| 4126233 | Tool transfer mechanism for machine tools A tool transfer arm is pivotally mounted on a tool transfer housing which is movable between a tool storage magazine and the spindle of a machine tool to transfer tools between the tool storage magazine and the spindle. The tool transfer arm has two pair ... | 11/21/1978 |
| 4066178 | Container-dumping apparatus A pick-up assembly is provided for attachment to a hydraulically operated lift device for picking up and dumping containers. The pick-up assembly includes three arms which are provided with container-engaging hooks for engaging the container at three posi... | 01/03/1978 |
| 4052096 | Hydraulically operated grapple or timber fork A hydraulically operated grapple or timber fork provided with a wire tightened on the load to prevent the load from disarranging and falling out of the fork. The wire tension is obtained by a hydraulically operated stretcher. In order to ensure that the w... | 10/04/1977 |
| 4022331 | Anhydrous ammonia tank carrier for farm tractors A tank carrier for releasably mounting an anhydrous ammonia tank on a farm tractor includes a pair of relatively movable tank support members by which a tank is raised from the ground and held firmly against lateral displacement. In one form of the invent... | 05/10/1977 |
| 4016992 | Lift truck with rotatable load-handling apparatus The load-lifting mechanism at the front of a lift truck carries a vertical boom with a forwardly cantilevered boom portion rotatably mounting a vertical pivot shaft at its forward end. The shaft suspends a rotatable carriage frame beneath the cantilevered... | 04/12/1977 |
| 4017114 | Multidirectional grapple A multidirectional grapple for a backhoe unit is disclosed. The backhoe unit includes a boom and a forwardly extending stick pivotally mounted to the boom. A mounting base is pivotally mounted to the forward end of the stick, and the grapple assembly incl... | 04/12/1977 |
| 4013176 | Unitary work changer for a machining center This invention relates to a greatly simplified workpiece changer mechanism in combination with a simplified tool storage and changing mechanism for a machine tool. To accomplish this, a rotatable work carrying spindle is adapted to support a workpiece for... | 03/22/1977 |
| 3989150 | Pipe carrying attachment for construction equipment An attachment for construction or excavation equipment of the type having means to raise and lower the attachment and to position the attachment at a predetermined and preselected site. The attachment comprises a mounting plate with connectors for connect... | 11/02/1976 |
| 3985250 | Vehicles for taking on, transporting, and discharging a load A self-loading vehicle having an elongated horizontal frame to one end of which is connected a vehicle-propelling structure while at the other end region of the frame there is a bell crank structure pivoted to the frame for turning about a bell crank axis... | 10/12/1976 |
| 3972097 | Tool for attachment to the dipper arm of an excavator A tool forming an attachment to the dipper arm of an excavator, especially for processing scrap automobiles, which includes an extension member that is fixedly connected to the dipper arm and projects beyond the free end portion of the latter. The free en... | 08/03/1976 |
| 3960264 | Item transport apparatus An item carrier for an item transport system wherein the carrier member is provided with means automatically adjustably movable as a result of the pendulum effect or tilt of the item effective to prevent accidental dislodgement or disengagement of the ite... | 06/01/1976 |
| 3938671 | Method and apparatus for handling large fabric rolls for slitting A method and apparatus for handling a large fabric roll and an interengaging spindle therefor before and after a slitting operation in which the roll and spindle are supported in initial handling positions in longitudinal spaced and aligned relation, the ... | 02/17/1976 |
| 3937340 | Aerial platform having boom mounted pipe holder An aerial platform apparatus includes a vehicle, an extensible boom mounted on the vehicle for luffing and swinging movement, and a workman's platform carried by the boom. The boom at its outer end carries a support column, which supports a workman's plat... | 02/10/1976 |
| 3934726 | Bale carrier A bale carrier comprising a first pipe having a second pipe selectively rotatably mounted therein with the ends of the second pipe protruding outwardly from the first pipe. The ends of the second pipe are pivotally connected to the rearward ends of a pair... | 01/27/1976 |
