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    • 31. 发明申请
    • METHOD AND SYSTEM FOR SEARCHING, DISPLAYING AND SORTING PRODUCTS OR SERVICES ACCORDING TO COMPUTED COSTS
    • 根据计算成本搜索,显示和分类产品或服务的方法和系统
    • US20080313094A1
    • 2008-12-18
    • US11761622
    • 2007-06-12
    • Charles P. Wright
    • Charles P. Wright
    • G06Q40/00
    • G06Q40/02G06Q30/02G06Q40/06G06Q50/16
    • A method and system are disclosed for searching, displaying and sorting products or services according to computed costs for the products or services per a specified time period. For each of a group of products or services, (i) a first component cost is determined representing the cost of purchasing or leasing the product or service per a specified time period, (ii) a second component cost is determined representing the cost of owning the product or using the service per said specified time period. These component costs are added to obtain a total cost of purchase or lease and ownership or use. Users are provided with an interface to a computer system that enables the users to display, search and sort said group of products or services according to said total cost per said specified time period.
    • 披露了一种方法和系统,用于根据指定时间段内产品或服务的计算成本来搜索,显示和分类产品或服务。 对于一组产品或服务中的每一种,(i)确定代表在指定时间段内购买或租赁产品或服务的成本的第一成分成本,(ii)确定代表所拥有成本的第二成分成本 产品或按照规定的时间段使用服务。 添加这些组件成本以获得购买或租赁,所有权或使用的总成本。 向用户提供与计算机系统的接口,使得用户能够根据所述指定时间段内的总成本显示,搜索和排序所述产品或服务组。
    • 32. 发明授权
    • Hydraulic well pumping apparatus
    • 液压井泵设备
    • US4646517A
    • 1987-03-03
    • US483818
    • 1983-04-11
    • Charles P. Wright
    • Charles P. Wright
    • F04B47/04F16D31/02
    • F04B47/04
    • For use with a pumped well having a string of sucker rods connecting to a downhole pump, hydraulic pumping apparatus is disclosed. In the preferred and illustrated embodiment, a polished rod is surrounded by a selectively located sleeve. The sleeve locks to a piston in a hydraulic cylinder. The piston is forced upwardly. The length of stroke is adjusted. The location of the sleeve on the polished rod is likewise adjustable. This enables the device to be adjusted so that any length of sucker rods can be accommodated without requiring cutting sucker rods to achieve a particular length. Moreover, the length of stroke is adjustable to take into account the stroke of the pump and sucker rod elongation during operation.
    • 为了使用具有连接到井下泵的抽油杆串的泵井,公开了液压泵送装置。 在优选和示出的实施例中,抛光的杆被选择性定位的套筒包围。 套筒锁定在液压缸中的活塞上。 活塞被向上压。 中风的长度被调整。 套筒在抛光棒上的位置同样是可调节的。 这使得能够调节装置,使得可以容纳任何长度的抽油杆而不需要切割吸杆来实现特定的长度。 此外,行程的长度是可调节的,以考虑到泵的行程和操作期间的抽油杆伸长。