Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7946310 | System for controlling a plurality of turbomachine discharge valves The invention relates to a pneumatic unit for activating a plurality of discharge valves of a turbomachine, the pneumatic unit having activation outlets corresponding to the number of discharge valves forming said plurality of discharge valves, and a single control ... | 05/24/2011 |
| 7409967 | Pattern former for wrapped bakery products and method for loading and unloading bakery products A pattern former for assembling wrapped bakery products into predetermined patterns comprises a perforated vacuum turntable. Vacuum is applied to the vacuum turntable while bakery products are loaded thereon and positioned in a predetermined pattern. Once the bakery... | 08/12/2008 |
| 7380570 | Three-way valve for use with paintball markers A novel three-way valve comprising a valve body, a valve sleeve for adjustable position mounting within the body, and a valve stem movable so as to selectively form a pathway between line recesses in the valve sleeve. Three line recesses are used to form a three way... | 06/03/2008 |
| 6827053 | Camshaft control device and control valve with leakage compensation The invention concerns a control device for adjusting the relative angular position of a driven shaft, particularly a camshaft of an internal combustion engine, said device comprising a drive pinion that is rotatably connected to the shaft, an adjusting element (... | 12/07/2004 |
| 6142181 | 3/3-way valve A 3/3-way valve with a control member received in a valve chamber is provided. The member, in three control positions, blocks a consumer opening and a relief opening (maintain pressure), connects the consumer opening with a supply opening and blocks the r... | 11/07/2000 |
| 6095192 | Spool valve for fluid control A spool valve is provided with a stem portion that defines a fluid passageway formed by either (a) a single central support having a non-cylindrical curved surface shaped hydrodynamically, or (b) only a pair of sidewalls with, preferably, interior surface... | 08/01/2000 |
| 5800397 | Angiographic system with automatic high/low pressure switching An angiographic injector system includes a manifold and valve which selectively connects either a syringe pump or a low pressure system to a catheter which is inserted into a patient. The valve is normally biased to a state which connects the low pressure... | 09/01/1998 |
| 4655253 | Shut-off valve The shut-off valve (1, 40, 85) comprises a valve housing (2) having at least two chambers (3, 4, 5) adjoining one another in axial direction. The chambers are communicating with one another through a passage bounded by a valve seat (6, 7). A valve body (1... | 04/07/1987 |
| 4641686 | Solenoid operated valve pressure balanced in a closed position by a single diaphragm A solenoid operated valve, including a balanced operating position when the valve is closed, is disclosed for use for handling pressurized air. The valve includes a valve body having an interior portion with at least one valve seat selectably contacted by... | 02/10/1987 |
| 4637433 | Solenoid valve A solenoid valve has a valve body having a first driving fluid connection. On the valve body a rocking part is pivotally mounted which has a second driving fluid connection. In the valve body a valve cartridge is placed functioning as a 3/2 way valve cont... | 01/20/1987 |
| 4526343 | Device for the distribution of a fluid The invention concerns a fluid distribution device of the type comprising on the one hand, a metallic body with a borehole, in the thickness of which a plurality of channels for the circulation of the fluid is provided, and on the other hand, in the bore ... | 07/02/1985 |
| 4494442 | Valve accentuation mechanism for opposed inverted V engine A valving mechanism for use in machines such as internal combustion engines, steam engines, gas compression engines or air compressors. The mechanism employs a piston valve reciprocating within a cylindrical chamber under the direct action of cam surfaces... | 01/22/1985 |
| 4320782 | Universal momentary contact diverter Universal momentary contact diverter valve is operated directly by axially disposed solenoid operators at each end of an elongated valve housing having a bore passing therethrough to receive a valving spool therein in an operable relationship with said so... | 03/23/1982 |
| 4299397 | Inflatable packer assembly with control valve An inflatable packer assembly includes a cylindrical mandrel with a cylindrical valve body concentrically disposed about the mandrel. The valve body includes an inlet communicating with an interior of the mandrel and an outlet for directing fluid to an in... | 11/10/1981 |
| 4242942 | Hydraulic positioner with feedback device A hydraulic control arrangement with a feedback device for positioning an implement comprises a positioner including a fluid operated cylinder and piston unit, the piston of which is connected by a plurality of linkage elements to the implement. A first p... | 01/06/1981 |
| 4074702 | Control valve for bleeding fluid actuator A control valve for bleeding fluid from a valve actuator has a slide valve with a piston on one end thereof mounted for movement within a uniform diameter piston chamber. The piston is movable longitudinally within the piston chamber between a seated posi... | 02/21/1978 |
| 4066099 | Zero lap valve Zero lap valve includes two cylindrical valve member portions, each having passageways intersecting a bond surface thereof, and to valve body portions, each having a cylindrical cavity with radial ports intersecting the cavity and a bond surface thereof. ... | 01/03/1978 |
| 3938555 | Valve override apparatus A fluid valve especially adapted for manually controlling pilot valves and other fluid valves. The manual override valve includes an axially slideably movable plunger which is contained and recessed within a fluid passageway in the valve. Slide bar positi... | 02/17/1976 |
