Abstract: A valve for a two way hydraulic drilling jar which includes a hollow cylindrical member having an exterior surface, an interior surface, a first end and a second end. At least one spiral-form fluid bypass passage is positioned in each of the first end and the second end of the cylindrical member. The at least one spiral-form bypass passages has a first end communicating with the exterior surface and a second end communicating with the interior surface.

Abstract: The present invention is a combination cooler-seat storage transporting device. It includes a main housing, a cover, drawers, a seat and handles. The main housing has a top, a bottom, sidewalls, and a front, and has an upper section with an open top and with insulation, and has a lower section. There is an open front having a hinged door thereon, the lower section further containing a plurality of horizontal drawer supports therein. The cover is hingedly connected to the main housing at the open top and also has an outer wall with heat insulation. These are a plurality of drawers located within the housing which are slidably connected to the drawer supports located inside said housing behind said door. In one preferred embodiment, the handles are shoulder straps and the device is contoured to a human back. In another embodiment, the main housing is ribbed and some ribs have open tops for storing and/or holding elongated objects, such as rods, arrows, poles, etc.

Abstract: The present invention is a combination portable cooler and side-by-side seat-gear, equipment and food storage and transporting device. It includes a main housing having a closed bottom, sidewalls, a top and a front. The housing has inner walls and outer walls and has heat insulation therebetween. It includes an open front with at least one hinged door thereon, and it contains a plurality of horizontal drawer supports with a plurality of drawers slidably located within the housing. There is a seat located on the top of the housing, as well as handles for manually carrying same or straps for use as a backpack. In addition, located side-by-side and permanently attached thereto, either integrally or otherwise, is a top-opening cooler. It may optionally include an external shelf which is movable relative to the housing so as to have a first position which is a rest position, and to have a second position which is an open position.

Abstract: The present invention is a combination cooler-seat-gear and food storage and transporting device. It includes a main housing having a closed bottom, sidewalls, a top and a front. The housing has inner walls and outer walls and has heat insulation therebetween. It includes an open front with at least one hinged door thereon, and it contains a plurality of horizontal drawer supports with a plurality of drawers slidably located within the housing. There is a seat located on the top of the housing, as well as handles for manually carrying same. The handles may be built in or may be adjustable straps. In one preferred embodiment, the housing further includes an external shelf which is movable relative to the housing so as to have a first position which is a rest position, and to have a second position which is an open position.