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Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 7364034 | Adjustable aperture apparatus that retains dust from bulk material directed through the apparatus An adjustable aperture apparatus on a bulk material transfer chute that transfers a flow of bulk material from a discharge conveyor to a separate receiving conveyor is automatically closed when no bulk material is being transferred by the transfer chute from the dis... | 04/29/2008 |
| 7290815 | Hoist sling Apparatus 10 discloses an improved hoisting sling specially for palletized 28 loads comprising a pair of skids 12, 14 having opposing ends, each with a channel 16 terminating in a puck-shaped cavity 18 forming means of engagement o... | 11/06/2007 |
| 7252309 | Containerised handling of bulk materials and apparatus therefor A freight container (10) has a base (20) or a portion thereof that can be opened to discharge its contents. This container (10) has a top which can be opened in similar manner as the base. Another container having at least one compartment, each ... | 08/07/2007 |
| 7195296 | Portable remote hydraulic activator An apparatus that remotely actuates a hydraulic motor of a hydraulic device including a mounting device supported by the hydraulic device; a hydraulic pump located on the mounting device for supplying pressurized fluid to the hydraulic motor; a driving device locate... | 03/27/2007 |
| 7188858 | Foldable stroller A stroller having a novel frame geometry that provides a more direct structural tie between the front and the rear wheels. The two rear legs (bottom members) of the frame are disposed at a relatively small angle to the horizontal and remain close to that shallow ang... | 03/13/2007 |
| 7051661 | Railcar with discharge control system A railcar with discharge control system is disclosed. In one embodiment, a railway car includes an underframe and at least one hopper for transporting lading. The railway car further including the underframe including a center sill which defines in part a longitudin... | 05/30/2006 |
| 7021604 | Iris valve for control of bulk solids An iris valve for controlling the flow of bulk solid materials includes a flexible cylindrical sleeve, a control ring, and a polymeric isolator disc, all sandwiched between upper and lower body members. Rotating the control ring twists the flexible sleeve in an iris... | 04/04/2006 |
| 6951571 | Valve implanting device Disclosed is a valve implanting device comprising a collapsible frame, inner and outer guide wires removably connected to the collapsible frame, and a plurality of valve flaps attached to the collapsible frame. The collapsible frame is inserted into a patient's femo... | 10/04/2005 |
| 6267547 | Grapple assembly A grapple assembly that is particularly suited for use as an attachment to a skid steer loader comprises jaws that are no wider than the wheels of the loader and are lightweight and rigid. The grapple is operated by a single hydraulic drive cylinder that ... | 07/31/2001 |
| 5829809 | Multi-dump fire fighting bucket A suspendible bucket apparatus is for use with an aircraft to permit dumping of two or more separate loads of water from a single filling of the bucket. The apparatus has an outer bucket with an outer dump valve and an inner bucket with an inner dump valv... | 11/03/1998 |
| 5692868 | System and method for unloading bulk material from a semi-rigid container A hanger for facilitating the unloading of loose material stored in bulk form in semi-rigid containers. The hanger includes a frame that is positioned over the container. The container is attached to the frame along its outer perimeter by a number of pivo... | 12/02/1997 |
| 5441321 | Openable container base A container base (1) including a rectangular ring frame (5) with four sides defining an opening (5a) through the base frame, a base bottom (1a, 2), a pivot connection (6) between the ring frame (5) and the base bottom (1a, 2) and latches (50) releaseably ... | 08/15/1995 |
| 5419601 | Lifting device A lifting device for lifting a load positioned on a platform in which a hollow protective framework has a coupling at its upper end and a slidable lifting element is mounted at the lower end of the framework. The framework is formed by a rigid assembly of... | 05/30/1995 |
| 4841853 | Apparatus for compacing garbage and salvage A compactor comprising a frame with a fluid operated, double acting ram mounted on the frame. A compactor plate is slidably mounted in the frame to be reciprocable by the ram. A back plate is positioned at an end of the frame remote from the ram. A contai... | 06/27/1989 |
| 4705446 | Hoisting and dumping container A container for hoisting materials at high rise construction sites and for lowering debris to ground level for dumping includes an open top box having a dumping end gate and being held on a raising and lowering frame by a pivot structure across the box an... | 11/10/1987 |
| 4603787 | Multi-use job box A multi-use job box comprises an open top open front box-like structure having a base having a front edge, a pair of lateral edges and a back edge, a back wall and a pair of side walls, the back wall and the side walls proceeding upwardly from respective ... | 08/05/1986 |
| 4576237 | Fire fighting bucket assembly for aircraft A collapsible fire fighting bucket to be suspended from an aircraft and to be filled from an open body of water. The bucket has two means for adjusting the capacity thereof to accomodate load carrying capacity of the aircraft. One means includes sidewall ... | 03/18/1986 |
| 4565479 | Raw materials charging device for preheating furnace A raw materials charging device for a preheating furnace including a bucket having a main body, an outer cylinder and an inner cylinder inserted coaxially with the main body in the outer cylinder for vertical movement independently of each other, and a bo... | 01/21/1986 |
| 4443957 | Snubber having unitary elastic body A unitary urethane snubber is provided to snub opening and closing movements of a dipper door. The snubber has an elongated working section that is stretched to snub door closing and bent to snub door opening. A pair of integral end lugs pivotally attach ... | 04/24/1984 |
| 4432578 | Closed pressure actuated system for placement bucket A placement bucket for placing material such as concrete in forms by manipulation of clam shell gates in response to action of a power cylinder makes use of a hydraulic fluid system which prevents opening the gates of a full or partially full bucket of ma... | 02/21/1984 |
| 4423831 | Drop-bottom box A drop-bottom box (11) which has a bottom wall (18) hingedly connected thereto and which is hooked up in closed position by hooks (30) engaging studs secured to the bottom wall, and which hooks (30) are biased to closed position but which may be released ... | 01/03/1984 |
| 4392957 | Anti-pollution equipment A device suitable for recovering viscous material derived from petroleum, comprises a plurality of pairs of blades (1 and 2, 3 and 4, 5 and 6) each blade (1, 2, 3, 4, 5, 6) being pivotally mounted at either end, and the pivots on at least one end being co... | 07/12/1983 |
| 4364425 | Tobacco storage bag An apparatus for the storage of cut tobacco is disclosed. The apparatus comprises a mobile structure which supports a bag having openings at the top and bottom for loading and unloading. At least the bottom opening of the bag is closeable. The bag is made... | 12/21/1982 |
| 4295431 | Pallet for pressurized gas cylinders A pallet for receiving, retaining and facilitating the transportation of pressurized gas cylinders includes three fixed, upstanding fence-like side walls and a pair of upper and lower gate members defining a fourth, openable side wall. The fixed upstandin... | 10/20/1981 |
| 4227732 | Pneumatically operated gate for hopper bottoms for bulk handling equipment A hopper gate mechanism for opening and closing the bottom opening of a hopper containing vehicle. The mechanism typically includes two doors hinged along the longitudinal axis of the associated vehicle and fluid pressure actuated motor means for selectiv... | 10/14/1980 |
| 4057117 | Auger spoil disposal box An auger drilling apparatus includes a spoil disposal box guided on the lower end of the auger leads. The auger extends vertically through the box and deposits spoil from the hole being drilled into the box. During drilling, the box rests on the ground at... | 11/08/1977 |
