Did You Know...
...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!
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| Number | Title | Issue Date |
| 4623470 | Process and apparatus for separating or fractionating fluid mixtures Process for separating fine particles (fines) from a slurry of such fine particles in a liquid by a combination of centrifugal or other separative force and axial or longitudinal flow imparted to the slurry producing secondary flows of the slurry, and app... | 11/18/1986 |
| 4614594 | BS and W measurement system The basic water and sediment (BS&W) system compares a wet stream to a dry stream of the same oil in two electrical capacitance cells. A numerical zero offset is employed in the comparison to compensate for voltage output differences between the cells. The... | 09/30/1986 |
| 4585562 | Self-contained sewage waste disposal system A self-contained sewage waste disposal system including a housing structure and a toilet bowl adapted to receive human waste and fluid for diluting the waste, transporting the waste and rinsing the bowl. A removable filter cassette is in the housing in co... | 04/29/1986 |
| 4582612 | Sewage sludge treatment apparatus The present invention relates to an apparatus for treating sewage sludge in which the sludge is conveyed to a vessel having an oxygen-rich atmosphere. The sludge is channelled through a first dispersing means to a plurality of second dispersing means by w... | 04/15/1986 |
| 4568465 | Water treatment system and control therefor A water treatment system includes a water treatment tank containing a resin bed through which water is passed for treatment thereof during normal operation of the treatment system. A brine tank contains a brine solution which, when passed through the resi... | 02/04/1986 |
| 4565626 | Apparatus for blood treatment by pressing blood into treating material and then drawing it out An apparatus for blood treatment has a housing having a blood inlet for introducing the blood to be treated and a blood outlet for exhausting the treated blood, at least one blood channel within the housing and extending from the inlet to the outlet and b... | 01/21/1986 |
| 4563274 | Separation system including a floatation tank having level control means An aqueous solution carrying paint solids is fed through an inlet into a floatation tank. The clean liquid exits through an orifice whose size is controlled by a movable gate. The level of the liquid within the tank is sensed by an ultrasonic rangefinder ... | 01/07/1986 |
| 4545903 | Apparatus for automatically controlling the sedimentation of muds during the purification of waste waters The apparatus for automatically controlling the sedimentation of muds during the purification of waste waters comprises a container for an amount of waste water of a material which is transparent to a signal responsive to the interface of the solid and li... | 10/08/1985 |
| 4545906 | Swimming pool filtering system A swimming pool filtering system of the closed recirculatory type having a series connected strainer, pump and filter is provided with a close coupled pump drive motor having two sets of stator windings for allowing the selection of one of two water circu... | 10/08/1985 |
| 4545956 | Method and apparatus for disinfecting waterlines of a medical device A method and apparatus for providing a disinfectant cycle of a medical device such as a dental device having an input water line with a main valve and a plurality of water lines extending to instruments with control valves characterized by an arrangement ... | 10/08/1985 |
| 4533471 | Self-cleaning liquid filter and system The invention is directed to a self-cleaning liquid filter of the type which includes a filter element through which a liquid sample is selectively passed which is taken from a stream of liquid which flows past one side of the filter element. The filter i... | 08/06/1985 |
| 4526685 | Waste water treatment plant To desludge the final settlement tank of a waste water treatment plant which includes a bio zone equipped with slowly rotating rotors on which biomass deposited from the waste water is digested by microorganisms as the biomass is periodically exposed to a... | 07/02/1985 |
| 4521310 | Apparatus and method for the treatment of organic wastes Apparatus for the anaerobic conversion of organic waste to biogas using a microbial biomass comprises a closed reactor (1) adapted to receive the organic waste, the reactor having a first chamber (4) and a second chamber (3) in liquid communication, a gas... | 06/04/1985 |
| 4517099 | Apparatus and method for handling solids in liquid Apparatus has a receiving chamber subjected to low pressure to receive solid/liquid mixture through inlet valve thereof. The chamber also has outlet valve to discharge the mixture, an admitting valve to raise pressure in the chamber, and quantity sensing ... | 05/14/1985 |
| 4505643 | Liquid pump control A circulating pump (B) pumps water between a swimming pool or other reservoir (A) and a filter or other circulated fluid receiving apparatus (C). A control circuit (D) intermittently operates the circulating pump. The operating circuit includes a first ti... | 03/19/1985 |
| 4504397 | Removal of sedimentary constituents from liquids Sedimentary constituents are removed from a liquid by first allowing the liquid to set for a period of time suitable for allowing a substantial proportion of the sedimentary constituents to settle out of the liquid and then pumping the liquid through a fi... | 03/12/1985 |
| 4502952 | Control device A control device for controlling the transfer of adsorbent to and from stages of an adsorbant-in-pulp contactor comprises a vessel for receipt of an adsorbent-pulp mixture and having an inclined screen for retention of adsorbent particles and passage of p... | 03/05/1985 |
| 4488962 | Magnetic filtering apparatus An improved apparatus for magnetically filtering a magnetically susceptible component in a fluid with a matrix of magnetizable material which, when magnetized, provides a multiplicity of regions of high magnetic field gradient. A sequence of time-spaced i... | 12/18/1984 |
| 4487699 | Sewage sludge treatment apparatus and process The present invention relates to an apparatus and process for treating sewage sludge in which the sludge preferably has its pH adjusted to an acidic range. Then the sludge is conveyed to a vessel having an oxygen-rich atmosphere. The sludge is channelled ... | 12/11/1984 |
| 4487689 | System for filtering a liquid First and second identical filters (6, 20) are connected in series. A backpressure unit (30) for intermittent backwashing is connected to the outlet from the second filter. Means are provided for measuring or setting the pressure P1 at the inle... | 12/11/1984 |
| 4468320 | Integrated flotation filtration plant In a flotation basin a flotation zone and a pure liquid zone are formed which are separated by filter means. A liquid containing suspended matter is introduced into the flotation zone via an inlet and subjected to pressure release flotation by saturating ... | 08/28/1984 |
| 4462915 | Method and system for filtering cooking oil A method and system for filtering cooking oil in cooking vessels is disclosed. In accordance with the method and system, there is provided a collection vessel for collecting filtered oil, a filter member for filtering contaminants and particulate matter f... | 07/31/1984 |
| 4439325 | Pressurized filtration system A method and apparatus for controlling the operation of a primary filter press to insure the attainment of a desired quality cake in the press including a conduit for feeding a slurry or composition to the filter press, transducers responsive to the volum... | 03/27/1984 |
| 4421648 | Apparatus and a method for biological treatment of waste waters An apparatus and a method for biological treatment of waste waters achieving biological oxidation of organic matter, biological nitrification and denitrification of nitrogenous compounds and biological removal of phosphorus and clarification of the treate... | 12/20/1983 |
| 4421643 | Swimming pool filtering system A swimming pool filtering system of the closed recirculatory type having a series connected strainer, pump and filter is provided with a close coupled pump drive motor having two sets of stator windings for allowing the selection of one of two water circu... | 12/20/1983 |
| 4404093 | Automatic well skimmer An automatic well skimmer for removal of floating contaminates and oil and gasoline seepage from water wells. A cylindrical well bailer is lowered and raised by means of a motor driven cable hoist programmed to lower the bailer in small increments after d... | 09/13/1983 |
| 4394262 | System for minimizing backwash water usage on self-cleaning strainers An automatic backwashing strainer system is provided for cleaning a strainer with a minimum amount of backwash water. The system includes a long time mode and a short time mode of operation in which the backwashing operation is conducted periodically with... | 07/19/1983 |
| 4394261 | System for controlling clarification of boiler feed water and the like A water clarification system for boiler feed water and similar applications. It employs a settling tank and adds a chemical to the inlet stream for causing precipitation of suspended matter. Clarified water is drawn off at an outlet near the surface. The ... | 07/19/1983 |
| 4385357 | Water treatment system and control therefor A water treatment system includes a water treatment tank containing a resin bed through which water is passed for treatment thereof during normal operation of the treatment system. A brine tank contains a brine solution which, when passed through the resi... | 05/24/1983 |
| 4381237 | Sludge robot A sludge robot for the removal of sludge from sedimentation tanks having planar bottoms comprises a rising tube (3) and two tube arms (5, 8) which are interconnected by two motor couplings (1, 2), by means of which the tube arms can be steered along a pre... | 04/26/1983 |
| 4366069 | Coolant recovery system A process for recovering an industrial coolant fluid from a contaminated mixture and restoring the recovered coolant fluid to a predetermined concentration level and an apparatus for carrying out the process are disclosed. The process includes the followi... | 12/28/1982 |
| 4353800 | Method and an apparatus for biological treatment of waste waters A waste water treatment plant providing biological oxidation, biological nitrification and denitrification and biological removal of phosphorus and clarification of the treated waste water in a single reaction tank in a single suspended growth sludge syst... | 10/12/1982 |
| 4347133 | Electromagnetic ground water conditioning system and sampling device for waste water and fermentation makeup water An electromagnetic ground water conditioning system and sampling device comprising a holding tank, a pump, filters and timers to regulate the time and duration of blowout of settled solids at the bottom of the tank. The electromagnetic water conditioning ... | 08/31/1982 |
| 4341629 | Means for desalination of water through reverse osmosis Water from a source is fed to a reverse osmosis unit having a membrane which divides the stream into a first permeate product and a first concentrate. The first permeate product is stored in a tank until a selected quantity is collected and then the sourc... | 07/27/1982 |
| 4322297 | Controller and control method for a pool system A controller and method for controlling the operation of electrically powered pool related apparatus in recreational pool system, and more particularly for controlling the flow of pool water through the pool system and water-conditioning apparatus, is dis... | 03/30/1982 |
| 4313825 | Control system for meter actuated regeneration in a water treatment system This invention relates to a control system for regeneration of a water treatment system in which a water meter monitors water usage and mechanically drives a water volume wheel to an operative position to call for regeneration when a predetermined volume ... | 02/02/1982 |
| 4310420 | Mobile phase supplying method in the liquid chromatography and apparatus therefor A mobile phase supplying method in a liquid chromatography which is characterized in a disposition of a second plunger pump unit, in addition to the conventional way of employing one plunger pump unit (a first pump). The second plunger pump unit is dispos... | 01/12/1982 |
| 4302329 | Installation for the recovery of methane gas from organic waste The invention relates to an installation for the recovery of methane gas from organic waste with a fermentation space, a gas collecting space and a post-fermentation space, as well as with at least one supply line into the fermentation space and one offta... | 11/24/1981 |
| 4302330 | Filter apparatus with cleaning function A fluid filter apparatus has a standard filter element in it which has the usual end gaskets seated in annular grooves. An axial drive shaft positively rotates the filter element through key-like means between the shaft and the wall of a groove. An automa... | 11/24/1981 |
| 4292173 | Vertical filtering device This invention relates to a vertical filtering device comprising a framework containing a plurality of horizontal superimposed filtering units, movable means for supporting the filtering units, the latter comprising each a movable frame with an inlet for ... | 09/29/1981 |
