A process and apparatus are disclosed for acid continuous alkylation of a hydrocarbon-containing feedstream in which the inventory of acid is reduced. The apparatus used combines a reactor, settler and heat exchanger in a single vessel. The acid phase flows out of the reactor only for acid makeup, to account for acid consumption, and regeneration.

An inventory control system for rapidly taking an inventory of items in an array including an optical scanning system which provides an image of variable size of each item in accordance with the number of units of the item in the inventory, a larger image denoting more units, a signal generator which converts the image to a train of electrical signals, a storage device for storing the signals for later use, retrieval apparatus for regenerating the stored signals at a subsequent time, and a displ...

Individual tags attached to shelf merchandise in a self-service supermarket have a detachable portion whose weight represents the price of the merchandise to which the tag is attached. The detachable tag portion also contains an inventory control number. At a checkout station, the detachable tag portions are removed from all merchandise selected by a customer and the detached tag portions are counted and weighed. The collective weight of the tags is used to give a real time indication of the tot...

In an inventory control method and system, changes of sales for individual goods are forecasted and the excess or deficiency of a stock of each of the goods at the present point of time is estimated from the results of forecast. In order to facilitate an inventory control, merchandise information is sorted and displayed in accordance with the degree of urgency, the degree of importance or the like of inventory adjustment on the basis of the results of estimation.

An apparatus and process for controlling refrigeration in a closed cycle. An inventory recorder and controller in communication with major holdup locations in the refrigeration circuit determines the amount of the refrigerant in the system. The amount is measured, recorded and maintained by means responsive to the difference between a set value and the value measured by the inventory recorder and controller. The apparatus and method is applicable to a multicomponent refrigerant where individual ...

The inventory device comprises a shelf adapted to support a plurality of rows of packaged items, each row extending from front to rear of the shelf, upstanding pins on the front of the shelf approximately centered before each row, each pin being adapted to receive a sales slip for each item sold, so that when an item is removed the total of the remaining items in the row and the sales slips on the pin associated with that row should equal the original total number of items and thus provides a re...

Method and apparatus for central inventory control as particularly adapted for retail vending wherein all merchandise is made to carry a coded identifier ticket characteristic of the product. Upon sale of the product the identifier ticket may be removed and at periodic times all accrued identifier tickets can be processed through a label sorter and reader to compile data for input to a central computer which then provides various forms of inventory readout to the user entity. More particularly, ...

An inventory system including a display panel marked with a series of words for items to be inventoried, the panel markings having a certain characteristic appearance, such as being the same color, a plurality of checks or markers removably secured to the display member covering respective indicia or markings and having additional indicia or markings of the same connotation as the covered indicia, respectively, the additional indicia or markings having another characteristic appearance the same ...

An apparatus for and method of comparing an inventory of a competitor's products with a supplier's suggested inventory are provided utilizing a competitor's part numbers sheet having a first arrangement of the competitor's part numbers thereon with a vacancy adjacent each part number for marking the quantity of each number to define the inventory of competitor's products and a supplier's part number sheet is provided having a second arrangement of the supplier's part numbers thereon which is ide...

A medication dispenser in which medication to be dispensed is housed, including a member operable to allow medication access. The dispenser provides a medication alert signal at preselected times in accordance with a desired medication regimen. A medication access signal is provided when medication access is obtained. Data representative of the relative timing between a medication alert signal and a medication access signal is written into a readable memory whereby that data is available to a ph...