Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
PatentStorm News
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 |
| 7055749 | Re-configurable trigger assembly Described is an improved trigger assembly for use in an electronic device. The trigger assembly includes a pressure sensitive member and a trigger button. The pressure sensitive member includes two or more conductive lines. The pressure sensitive member is secured t... | 06/06/2006 |
| 6661332 | Press-type varistor switch A press-type varistor switch is disclosed. A center of an upper cover is formed with a round hole. A head of a silicide cap is embedded into the round hole. Opposite sides of the seat are formed with a metal guide pin. The head of the silicide cap protrud... | 12/09/2003 |
| 6420956 | Detection device in which output varies with amount by which elastically deformable contact element is pressed A first resistive element and a second resistive element are serially connected to each other, and a contact element having a lower resistivity than the first resistive element elastically contacts the first resistive element. The resistance between both ... | 07/16/2002 |
| 5777210 | Oil quality sensor measuring bead volume Method and apparatus for determining deterioration of e.g. lubricating oil by measuring the contraction of a polymeric matrix (support) holding charged ionic groups. The support contracts due to oil quality degradation. The expansion/contraction is detect... | 07/07/1998 |
| 5334967 | Voltage divider A voltage divider which can be manipulated so as to vary the output voltage thereof, prevents mechanical wear of the voltage divider element, provides continuous contact, and can be sealed so as to prevent interaction with the ambient atmosphere including... | 08/02/1994 |
| 5059939 | Variable resistor device A push button variable resistor device includes a hollow push button seat member confining a receiving space, and at least one resistor piece fixed inside the seat member. The resistor piece has a contact portion and at least one leg portion projecting ou... | 10/22/1991 |
| 4903002 | Displacement or position transducer In the case of a displacement or position transducer, it is provided that a onductor foil (5) is arranged over the resistor track (4), held at a distance from it and able to be pressed with flexible resilience against the resistor track, and that the slide... | 02/20/1990 |
| 4780701 | Potentiometer device A potentiometer device including a resistor path and a conductive film spaced therefrom. The film may be brought in contact with the resistor by exerting finger pressure. The tap voltage is stored in a memory and displayed by means of LEDs.... | 10/25/1988 |
| 4479392 | Force transducer A transducer for indicating changes of an applied physical force including a first electrically propertied means connected within an electrical circuit to create an electrical potential across the first means, a second electrically propertied means adapte... | 10/30/1984 |
| 4257305 | Pressure sensitive controller for electronic musical instruments An electronic musical instrument incorporates one or more pressure sensitive push-button controllers actuable independent of the keys or other note selecting elements of the instrument to vary a corresponding number of musical parameters. The specific con... | 03/24/1981 |
| 4233587 | Electric braking system A variable resistance controller for electrical braking systems and the like wherein the form on which the resistance wire is wound has spaced apart flats into which some of the coils are drawn during winding. This arrangement provides alternate lands and... | 11/11/1980 |
| 3982219 | Digital pressure/range transducer A digital pressure/range transducer is disclosed. The transducer transforms n applied force into a mechanical movement which in turn closes a plurality of switches in ordered sequence. The number of switches closed gives a measure of the applied force. The... | 09/21/1976 |
