...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7316241 | Steam trap A steam trap comprises a trap body having an inlet and an outlet each defining inner threads. The trap body further includes a spigot defining external threads. Also provided is a cap defining internal threads for engaging the external threads of the spigot of the t... | 01/08/2008 |
| 6823785 | Printing unit A printing unit has at least four cylinders that form a printer. At least two of these four cylinders rotate independently of each other. At least one of the cylinders in the group of at least four cylinders has a set up rotational speed that is not zero and that is... | 11/30/2004 |
| 6397877 | Blowdown manifold evacuator for nuclear power plants A blowdown manifold for a nuclear power plant includes a main conduit section, at least one coolant exhaust conduit, and at least one fluidic device. The main conduit section is connected to a pressure relief system in the nuclear power plant. The coolant... | 06/04/2002 |
| 6302136 | Steam valve Steam valve wherein at least one of the valve plug mating surface or valve seat mating surface has a metal nitride and/or carbide coating thereon. Preferably, the metal nitride and/or carbide coating is on both mating surfaces.... | 10/16/2001 |
| 6148845 | Valve housing with a connecting part and a cap The valve housing can be used for valves and steam traps with a compact automatic control unit. It has a connecting part with two flow ducts and a base on which the open end of a cap rests tightly. Two post-like projections with fastening orifices are pro... | 11/21/2000 |
| 6148844 | Condensate removal device A condensate removal device for removal of condensate from a fluid system. The device includes a body adapted for connection to the fluid system, the body having an inflow opening and an outflow opening. A trap between the inflow opening and the outflow o... | 11/21/2000 |
| 6138706 | Condensate traps A condensate trap comprises a trap element 12 disposed in a trap chamber 6, and a sensor chamber 16 containing a sensor element 24 for monitoring the performance of the trap element 12. The sensor chamber 16 communicates with the trap chamber 6 through a ... | 10/31/2000 |
| 6035882 | Monitoring condensate traps A condensate trap assembly includes a monitoring device 4 which is closely coupled to, or integral with, a condensate trap 2. The monitoring device 4 includes a flow restriction 56 and a condensate receiving chamber 48 which accommodates a sensor 66. The ... | 03/14/2000 |
| 5921268 | Condensate traps A thermodynamic condensate trap comprises a body 2 and a cap 18 which define a chamber 24. Inlet and outlet passage 8, 10 emerge into the trap chamber 24 at a seating face 12. A valve element in the form of a disc 26 is movable within the chamber 24 to op... | 07/13/1999 |
| 5884654 | Condensate discharge device A condensate discharge device which prevents metal ions from attaching and depositing on the condensate discharge port surface. An inlet, a condensate discharge port, and an outlet are formed in a valve casing, which valve casing includes an upper casing ... | 03/23/1999 |
| 5687755 | Equipment comprising a condensate trap A condensate trap assembly 12 includes a valve body 28 accommodating a condensate trap element 34 and a valve element 36. The valve element 36 is movable by a positioner 26 to direct flow in a condensate line 10 either through the condensate trap afforded... | 11/18/1997 |
| 5630441 | Self-closing liquid/gas control valve A self-closing control valve for stopping the penetration of propellant gas into a liquid dispensing system, upon the exhaustion of the liquid from its supply vessel. The valve is easily assembled into standard beer barrels or syrup vessels of CO2 | 05/20/1997 |
| 5546976 | Condensate trap installations A condensate trap installation comprises a condensate trap 6 and one or more further components such as a strainer 8 and a check valve 10. The condensate trap 6 and the further components 8, 10 are placed in face-to-face engagement at end faces 30 and cla... | 08/20/1996 |
| 5232006 | System for separating gas from a liquid flow whose volume is to be measured A system for separating gas from a liquid flow whose volume is to be measured with the exclusion of gas inclusions comprises a liquid conduit (5) through which the liquid flow is conducted. The conduit (5) incorporates a volume meter (5), a fluid homogene... | 08/03/1993 |
| 5211200 | Automatic bleed valves An automatic bleed valve bleeds gas from a liquid reservoir. It comprises a housing having a passage extending between an inlet and an outlet with the passage including a bore in which a piston is slidably received. The piston includes a capillary providi... | 05/18/1993 |
| 5211201 | Intravenous fluid delivery system with air elimination An air elimination system is provided for an intravenous fluid delivery system for intravenous injection of fluid into a patient. An air-detection apparatus (5) is disposed in an intravenous fluid line (3). A return line (8) is attached to a point in the ... | 05/18/1993 |
| 4782851 | Capillary valve for hydraulic systems A scavenger system (10) for a hydraulic recirculating installation, such as may be employed with a vehicular transmission (11), which employs a sump (18) to collect the recirculating hydraulic fluid (19). The sump (18) is to be maintained essentially dry,... | 11/08/1988 |
| 4664138 | Steam trap There are disclosed steam traps for use, for example, in a steam system for expelling large quantities of condensate fluid at low pressures and for self locking closed at pressures above a predetermined pressure. The traps include a chamber having an inpu... | 05/12/1987 |
| 4660760 | Thermodynamic steam trap valve discs A disc valve member (5) is disclosed that can be fitted to a thermodynamic steam trap (1) without modification of the trap. The disc valve member has an internal chamber (7) and perforated portions (8,9) through which air can escape from a chamber (6) in ... | 04/28/1987 |
| 4592381 | Multiple stage device for condensate removal from a steam piping system A condensate drainage device for a steam system which includes a series-connected arrangement of orifice-type devices particularly suitable for relatively small condensate drainage capacity. The orifice-type devices are selected for installation in housin... | 06/03/1986 |
| 4524793 | Automatic reservoir bleed valve An automatic valve for bleeding air from liquid or with reversal of the principal elements, vice-versa. In an embodiment for bleeding free air from a hydraulic fluid reservoir or the like, a capillary extends through a movable piston in series with an ori... | 06/25/1985 |
| 4494692 | Steam trap Steam trap structure including a bi-metal strip for actuating valve means to control passage of steam through the steam trap in accordance with the temperature within the steam trap. The bi-metal strip may be straight or may have an arcuate portion on one... | 01/22/1985 |
| 4387732 | Steam trap including interchangeable body member and insert assembly A valve body member and various insert assemblies usable with the body member to form steam traps of different types are disclosed in this application. The body member includes an internally threaded, generally cylindrical recess extending inwardly from a... | 06/14/1983 |
| 4306590 | Milking apparatus discharge valve A milking apparatus automatically providing the appropriate amount of vacuum for purposes of milking a cow throughout the entire milking operation. The milking apparatus includes a fluid control valve system having a controller unit and a discharge valve ... | 12/22/1981 |
| 4296771 | Quiet impulse steam trap A steam trap is provided with two paths through which fluid flows from its nput to its output. One path constitutes a control path wherein a small amount of steam or condensate continuously flows through restrictive orifices connected in series between the... | 10/27/1981 |
| 4288032 | Steam trap including interchangeable body member and insert assembly A valve body member and various insert assemblies usable with the body member to form steam traps of different types are disclosed in this application. The body member includes an internally threaded, generally cylindrical recess extending inwardly from a... | 09/08/1981 |
| 4269217 | Separator valve Valve for separating liquids out of gases, as in gas-well-to-customer operations, being an improvement of the valve described in our U.S. Pat. No. 3,769,999 of Nov. 6, 1973, entitled "Liquid Separator System and Apparatus". The valve comprises a body with... | 05/26/1981 |
| 4250879 | Equipment sets and system for the sequential administration of medical liquids at dual flow rates employing a combined air barrier and liquid sequencing valve Gravitational flow system and equipment sets for the sequential administration of medical liquids wherein a primary liquid can be administered at a flow rate independent of the flow rate of a secondary liquid, and including a barrier substantially impervi... | 02/17/1981 |
| 4223695 | Novel valve employing hydrophobic and hydrophilic membranes A novel valve employing hydrophobic and hydrophilic membranes and providing a combined air barrier and liquid sequencing valve. The novel valve is useful in gravitational flow systems and equipment sets for the sequential administration of medical liquids... | 09/23/1980 |
| 4222403 | Automatic drain exhaust valve An automatic drain exhaust valve (1) for draining water and the like from a pressurized gas system includes a housing (1') defining an inlet orifice (5), an intermediary space (8), and an outlet orifice (6). Valve surfaces (30 and 40) respectively close t... | 09/16/1980 |
| 4214698 | Arrangement for control of the temperature of heat radiators in a co-tube system A heat control system for a discontinuously operated heat radiator of the co-tube type is disclosed. A thermostat located away from the radiator controls the opening and closing means of an inlet steam valve located between the steam feeder connection and... | 07/29/1980 |
| 4134541 | Fluid separation device A condensate removal device which includes two parallel paths for removal of condensate and gases from a fluid system is provided with a thermostatically operated valve in one path and a drain orifice of a preselected size in the other path. The combinati... | 01/16/1979 |
| 4073306 | Steam trap A steam trap in accordance with the preferred embodiment of the invention disclosed herein includes a valve body member formed with inlet and discharge passages and having a valve seat intermediate the passages that cooperates with a valve member to contr... | 02/14/1978 |
| 4037784 | Steam trap A steam trap allowing the escape of condensate from a working fluid of steam comprises an escape valve mounted in a chamber in which the working fluid flows. The escape valve includes a valve seat member and a deformable metal diaphragm normally closing t... | 07/26/1977 |
| 4013220 | Back-pressure-resistant vapor trap for condensate discharge In addition to a deformable disk membrane with a valve seat on a portion of a flange immediately surrounding a discharge opening, there is provided a similarly deformable annular disk membrane on a valve seat surrounding that of the disk membrane set back... | 03/22/1977 |
| 4004604 | Method of and apparatus for draining condensate from a steam-containing system Apparatus for draining a condensate from a steam-containing system. A cascade section is adapted for connection to or into the system and provides two throttle points with a pressure chamber therebetween and a valve body disposed in the pressure chamber, ... | 01/25/1977 |
| 3993062 | Hydrophobic valve A hydrophobic valve for use with liquids, such as liquids for intravenous administration comprising a housing provided with inlet and outlet means, both of which communicate with the housing, a resilient, inflatable boot mounted in the housing and positio... | 11/23/1976 |
| 3972342 | Apparatus for deaerating fluids A deaeration valve useful in a pressurized fluid system for reducing the transfer of air from a sump to the principal reservoir of the system is disclosed. The valve comprises a body including a bore longitudinally therethrough and a poppet-type spool sli... | 08/03/1976 |
| 3967637 | Apparatus for deaerating fluids A deaeration valve useful in a pressurized fluid system for reducing the transfer of air from a sump to the principal reservoir of the system is disclosed. The valve comprises a body including a bore longitudinally therethrough and a poppet-type spool sli... | 07/06/1976 |
| 3958092 | Apparatus for discriminating between liquid and gaseous flow A flow responsive apparatus having a movable element therein ported and connected to a manifold and tube assembly so that during liquid flow conditions, a liquid head is developed in both the manifold and the tube assembly which lifts the valve element in... | 05/18/1976 |