"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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 |
| 7335085 | Entertainment and stress relief disk A device is described that possesses an overall shape that comfortably fits into a user's hand, and in particular, can be manipulated by the fingers. The device is fabricated of a pliable material that readily can be manipulated by manual pressure, yet holds its equ... | 02/26/2008 |
| 7329198 | Silent chain In a silent chain composed of interleaved rows of link plates held by connecting pins secured to guide plates disposed along the sides of the chain, the guide plates are formed with protrusions, and are deformed so that they exert a spring action on the rows of link... | 02/12/2008 |
| 7195452 | Compliant mounting system for turbine shrouds The mounting of low expansion full ring shrouds in a turbine engine requires radial compliance to limit the stresses experienced by the shroud due to thermal growth differences between the shroud and its support. A method provides radial compliance with no looseness... | 03/27/2007 |
| 7059035 | Method for forming a bimetallic actuator A method for post-fabrication modification of the snap actuation properties of a thermally responsive bimetallic actuator by exposing a pre-formed bimetallic actuator to laser energy, thereby permanently altering the thermal response properties of the bimetallic act... | 06/13/2006 |
| 7048665 | Power transmission chain having links with lateral spacing elements A chain having a plurality of inside links and guide links. The plurality of inside links each have a pair of apertures and are interleaved and connected to form rows. The plurality of guide links each have a pair of apertures and are placed outside of alternate row... | 05/23/2006 |
| 7045940 | Holder for cathode ray tube and fabrication method thereof A holder for a cathode ray tube includes a stud engaging portion having an engaging hole in order to be engaged to a stud pin mounted inside a panel, a frame engaging portion engaged to a mask frame which supports a shadow mask, and a connecting portion for connecti... | 05/16/2006 |
| 6926285 | Jacketed spiral wound gasket A spiral wound gasket made of an elongate band jacketed by a sealing material, with the elongate band wrapped in overlapping turns to define a radially thick gasket with an inner diameter for being exposed to a material to be sealed and an outer diameter, in which t... | 08/09/2005 |
| 6412165 | Temperature responsive snap acting control assembly, device using such assembly and method for making A method of increasing the cycle life of a thermostatic disc element for use in a disc assembly used in thermostatic switches in which a weld slug is used to weld the disc element to the disc assembly thereby causing a heat affected zone of the disc eleme... | 07/02/2002 |
| 6342138 | Clamp for electroplating articles An electroplating rack includes a cathode flight bar from which depends an insulated rack bar over an acid bath. A clamp is fixed to the rack bar, and has a bridge electrically connected to the flight bar through a conducting core inside the insulated rac... | 01/29/2002 |
| 5948226 | Oxygen concentration detector An oxygen concentration detector easily assembled without producing conducting malfunctions at an external electrode includes a cylindrical housing and a detecting element being inserted into and disposed inside the housing. Powdery seal materials made of... | 09/07/1999 |
| 5773774 | Electrical switch with omega shaped return spring The present invention provides an electrical switch with a return spring comprising a housing having a cylindrical shaped rotor having a brace member extending therefrom and in a centered position, the brace member is positioned adjacent to a stop abutmen... | 06/30/1998 |
| 5720472 | Short-stroke dome-shaped disc film spring A short-stroke dome-shaped disc film spring comprising a dome-shaped portion and a skirt figure portion, wherein the cross section of the skirt figure portion rises in a line, the rise angel is inclined inward between 40 degrees and 60 degrees, the height... | 02/24/1998 |
| 5269499 | Snap spring positioning device A snap-acting positioning device comprising an enclosure, including a spring member having a plurality of sine-shaped bow sections disposed equidistantly in a circular pattern to take a disc shape and stressed to cause the spring member to take a substant... | 12/14/1993 |
| 5226633 | Spring design for use in the core of a nuclear reactor A spring design particularly suitable for use in the core of a nuclear reactor includes one surface having a first material oriented in a longitudinal direction, and another surface having a second material oriented in a transverse direction. The respecti... | 07/13/1993 |
| 5149150 | Motion transmitting and amplifying device A resilient element such as a thin flat plate or disc spring, commonly known as a "Belleville" spring, which is capable of deflecting along an axis normal to its surface is modified to include an amplifying segment disposed in a central aperture in the fo... | 09/22/1992 |
| 5083740 | Spring-loaded locking pin for concrete forms An attached locking pin for releasably securing adjacent concrete forms used in the formation of poured concrete. Such concrete forms are characterized by having a peripheral rail with apertures therethrough adapted to abut the rail and align the aperture... | 01/28/1992 |
| 5054754 | Inversion spring for thermal overload relay and method for making the same An inversion spring unit for a thermal overload relay and method for making the same, comprising a support member, a spring plate having a first end, a second end, an elongated central axis, and first and second side portions disposed on opposite sides of... | 10/08/1991 |
| 5046227 | Method for making an inversion spring for thermal overload relay An inversion spring unit for a thermal overload relay and method for making the same, comprising a support member, a spring plate having a first end, a second end, an elongated central axis, and first and second side portions disposed on opposite sides of... | 09/10/1991 |
| 5006681 | Leaf spring system and an electric switch provided with such a leaf spring system A leaf spring system, in particular for influencing a least one body operating or comprising one or more contacts of an electric switch, with a frame aperature and at least one leaf spring which can act on the at least one body. The leaf spring system com... | 04/09/1991 |
| 4699344 | Support assembly Applicant's novel invention comprises an easy to use, portable, and versatile base support assembly attachable to a wide variety of equipment poles. The versatility of the support assembly is provided by a thick resilient sleeve with an internal diameter ... | 10/13/1987 |
| 4667069 | Multiple disc pressure responsive control device A pressure responsive control device having a pressure housing assembly defining a pressure chamber, an actuable controller fixed to the housing assembly and, a pressure transducer hermetically closing the pressure chamber. The transducer includes plural ... | 05/19/1987 |
| 4601413 | Snap-acting spring device A hinge apparatus is disclosed, in which at least two flexible strips (1-3) are articulated, each via two articulation grooves (7, 8), to two parts (5, 6) that are movable relative to one another and are substantially cylindrical in embodiment, in such a ... | 07/22/1986 |
| 4428570 | Tool-loadable biasing spring A tool-loadable biasing spring for a knob retainer plate securing a doorknob on its knob sleeve. The plate is slidable transversely in the sleeve and has a central opening. The biasing spring has a bight with a hook for engagement behind the linear forwar... | 01/31/1984 |
| 4364615 | Retaining ring A retaining ring (30) includes a cone-shaped, resilient rim (32) which defines a Belleville-type spring. A plurality of resilient teeth (36) extend radially inwardly or radially outwardly from one of the inner or outer edges of the rim, respectively. The ... | 12/21/1982 |
| 4287780 | Snap-action member A snap-action member of a metallic material having a predetermined grain orientation and having at least one projection for locating the snap-action member in a preselected assembly position on seating means therefor in a control device thereby to align t... | 09/08/1981 |
| 4288064 | Timed-action actuators A resettable apparatus including a deformable restraining element adapted to contact and restrain active elements for producing a time-delayed force or displacement response. The apparatus functions by the release of the force and/or displacement active e... | 09/08/1981 |
| 4200776 | Control device with grain oriented snap disk A control device has a housing with an opening therein, and at least a pair of opposite spaced apart stopping abutments in the housing are arranged within the opening so as to intersect with a chord thereof. A snap-action member formed from a metallic mat... | 04/29/1980 |
| 4053729 | Method and arrangement of masses avoiding chattering This invention relates to a chatter-free arrangement of masses especially for such a chatter-proof arrangement in electrical switches and mechanical interrupters of current of all kinds. The arrangement of masses disclosed is constructed so that the kinet... | 10/11/1977 |
| 4032128 | Pivotal bearing for an omega spring The invention relates to an omega type spring assembly and particularly the pivotal connection between the omega spring element and a bearing element. In a broad sense the invention involves replacing the conventional knife edge pivotal with a ball and so... | 06/28/1977 |