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| Number | Title | Issue Date |
| 8424389 | Annular bourdon tube gauge assembly An annular bourdon tube gauge assembly comprises a bourdon tube member, a first flange element, a second flange element and a pressure level indicator, and is adapted to be mounted externally circumferentially of a portion of a body member that is adapted to confini... | 04/23/2013 |
| 8156818 | Bourdon tube pressure gauge A bourdon tube pressure gauge includes a joint which is made of resin and attached to a pressure container, and a bourdon tube which is made of metal and provided with a base end part fixed to the joint. The joint is formed with a fixing hole to which the base end p... | 04/17/2012 |
| 7240559 | Manometer The invention relates to a manometer with a housing, a connecting piece rigidly connected to the housing, a bourdon tube arranged in the housing, a viewing glass fixed on the housing, and a pointer, which can rotate on the inside of the viewing glass and which is en... | 07/10/2007 |
| 7234356 | Shock resistant blood pressure measuring apparatus A pressure measuring apparatus includes a gage that is at least partially imbedded within a flexible elastomeric member disposed within an interior cavity of a device housing. A shock resistant member into which the gage is inserted permits fluid interconnection bet... | 06/26/2007 |
| 7165461 | Pressure gauge having dual function movement plate A pressure gauge comprising a stem having an inlet at which pressure is sensed. A Bourdon tube is coupled to the stem and is displaceable in response to pressure changes at the inlet. A movement comprising a movement plate conducts displacement of the Bourdon tube t... | 01/23/2007 |
| 7140257 | Wireless transmitting pressure measurement device A pressure measurement device includes a housing having an inlet, a transducer coupled to the inlet to generate an electrical signal representative of pressure at the inlet, and a data communication device coupled to the transducer to transmit a wireless signal corr... | 11/28/2006 |
| 7047832 | Apparatus for measuring gas exchange A container having a port for holding a liquid medium and a reactant that interact to produce a change in gas levels within the container. A removable stopper for insertion into the port creating an airtight seal. A tube extending through the stopper into the contai... | 05/23/2006 |
| 6758097 | Pressure gauge spring The pressure gauge spring is a responsive and easy to manufacture gauge for connection to a pressure source. The spring assembly comprises a coiled hollow tube having a first end and a second end with a body portion therebetween, the hollow tube adapted to produce a... | 07/06/2004 |
| 6679122 | Pressure gauge having a dampener mechanism with attachable housing A dampening apparatus for a pressure gauge in which a housing secured to the amplifier of the pressure gauge encircles the pointer shaft in a close but loose fit relation so as to define a controlled clearance packed with a high viscosity dampening agent ... | 01/20/2004 |
| 6651507 | Pressure gauge having a dampener mechanism Various embodiments are disclosed of dampening apparatus for a pressure gauge in which a short length of sleeve, ferrule, hub or thimble encircles a pointer shaft in a close but loose fit relation defining a clearances packed with a high viscosity dampeni... | 11/25/2003 |
| 6385134 | Watch A watch, in particular a dive watch, having a movement (16) which is arranged in a watch case (12) and can be used to drive an hour hand (3) via an hour tube and a minute hand (4) via a minute tube in a fashion sweeping over a dial (1). Also present is a ... | 05/07/2002 |
| 6216541 | Pressure gauge overpressure safety release A pressure gauge in which the displacement tip of the Bourdon tube is sealed and secured to a bracket of an amplifier movement by a selected solder composition affording a failure response to an encountered overpressure at a pressure value lower than the ... | 04/17/2001 |
| 6119525 | Pressure gauge having dampener mechanism Dampening apparatus for a pressure gauge in which a short length of sleeve, ferrule, hub or thimble encircles the pointer shaft in a close but loose fit relation and is packed with a high viscosity fluid such that it will serve to decelerate and cushion a... | 09/19/2000 |
| 6044712 | Bourdon-tube pressure gauge A pressure gauge comprising a body (14) and a pressure sensing member consisting of a resiliently flexible curved tube (12) attached to the body (14) and having a fixed end (16) for communication with a fluid to enable pressure measurement, and a closed o... | 04/04/2000 |
| 5955676 | Connecting arm having a clamping end for use in bourdon gauges An improved connecting arm for use in a Bourdon gauge is secured between one end of a Bourdon tube and an indicating needle driving mechanism of the Bourdon gauge by welding. The connecting arm is provided with a clamping end which can be firmly engaged w... | 09/21/1999 |
| 5952579 | Ultra-high purity Bourdon tube pressure gauge system A reduced volume socket body and a reduced volume tube are used in a pressure gauge system in semi-conductor fabrication process equipment. The socket body includes an outlet and the tube has an end connected to the outlet. The outlet is a shaped, weld pr... | 09/14/1999 |
| 5712429 | Pressure-responsive instrument with filter A pressure instrument for connection to a process line including a gland having an interior passageway, a body connected to the gland and having a fluid line extending therethrough in fluid communication with the interior passageway of the gland, a pressu... | 01/27/1998 |
| 5591918 | Pressure gauge for semi-conductor processing A pressure gauge for semiconductor processing that defines an internal flow path from the socket inlet to the displaceable end of the Bourdon tube that is shelf free so as to be self drainable for internal cleansing and purging whereby to avoid any trappi... | 01/07/1997 |
| 5581029 | Measurement system for a pressure gage as well as a process for the fabrication of such a measurement system In a measurement system for a pressure gage which has a bourdon tube spring as well as a spring support, the bourdon tube spring is made of a metallic material and the spring support is made of a polymer plastic. The connection between the bourdon tube sp... | 12/03/1996 |
| 5567883 | Bourdon tube pressure gauge having a removable cover In the pressure gauge of the present invention, in order to prevent mounting screws from dropping off when the pressure gauge is not mounted on a fluid pressure equipment, a counterbore 11a for receiving a head 36a of a mounting screw 36 is formed on a fr... | 10/22/1996 |
| 5533414 | Coupling device for coupling an indicator needle to an actuating unit in a pressure gauge A coupling device for a pressure gauge includes an upper positioning plate connected spacedly to a lower positioning plate, a sector gear disposed between the lower and upper positioning plates and mounted rotatably thereto, an adjustment plate mounted ad... | 07/09/1996 |
| 5357242 | Air pressure gauge with self contained adjustable alarms A diver's air tank pressure gauge having audible and visual alarms, an alarm pointer for indicating the pressure at which the alarms will activate, and a crank assembly for changing the position of the alarm pointer. The pressure gauge dial has a cutout f... | 10/18/1994 |
| 5311780 | Oil-filled pressure gauge leak-stoppage device Disclosed is an oil-filled pressure gauge leak-stoppage device including a rivet-like rubber gasket and a metal gasket respectively mounted on a plane on the peripheral wall of the casing around an axle hole thereof to seal the gap between the casing and ... | 05/17/1994 |
| 5056528 | Pressure gauge: gelatinous filled bourdon tube A pressure gauge including a bourdon tube where a substantial portion of the pressure gauge is filled with a silicone gel, gelatinous material, or any other suitable materials.... | 10/15/1991 |
| 5000049 | Pressure gauge for medical applications An apparatus for measuring fluid pressure in a passage or tube for use with medical apparatus such as balloon catheters. A diaphragm gauge is provided and includes a case which houses a first diaphragm, a translation mechanism connected to the first diaph... | 03/19/1991 |
| 4896538 | Convertible socket for pressure gauge An improved pressure gauge construction in which the pressure inlet to the Bourdon tube is supplied through a tubular socket having alternate connections for either a low-connected or back-connected gauge arrangement. An adaptor is provided for threaded m... | 01/30/1990 |
| 4891987 | Magnetic linkage for bourdon tube gauges A Bourdon tube pressure gauge has a movement amplifying mechanism comprising a pinion of segment shaped permanent bar magnets extending radially and terminating at a circular edge magnetically driven by a pivotally mounted rack segment having an arcuate b... | 01/09/1990 |
| 4876894 | Pressure guage connection A pressure guage connection for connecting a pressure sensing device such as a manometer or an electrical pressure detector to a pressurized vessel or conduit is disclosed. The connection element constitutes a cylindrical stem designed in one piece with t... | 10/31/1989 |
| 4838090 | Multicoil bourdon tube type pressure gauge A multicoil tube type pressure gauge arranged for direct drive of the gauge pointer and for safely handling overpressure in the event of Bourdon tube rupture comprising a casing of round configuration defining a planar upright main chamber, with the casin... | 06/13/1989 |
| 4773271 | Bourdon gage According to the present invention, a Bourdon tube and a mechanism adapted to transmit a deformation occurring in the Bourdon tube to an indicator are accommodated within a casing having a window in one side so that the indicator may be visually observed ... | 09/27/1988 |
| 4763516 | Automatic tire pressure gauge This invention comprises an automatic, self-metering tire gauge having an air pressure gauge placed in the air flow path between a tire attachment piece and a filler needle valve. The gauge may remain attached to the tire at all times, including while air... | 08/16/1988 |
| 4737275 | Resin pressure sensor for water treatment An improved resin sensor which senses a change in the condition of the resin by forces acting on a receptacle for the resin. The sampling resin is utilized to indicate a change of ion or equilibrium condition of the resin when employed as an indicator for... | 04/12/1988 |
| 4702102 | Direct readout dissolved gas measurement apparatus Relatively compact apparatus for rapidly and continuously measuring the percentage of dissolved gas in a liquid. In one embodiment thereof, the apparatus includes a gas permeable tube or membrane closed at one end having its other end connected to a press... | 10/27/1987 |
| 4690000 | Direct-acting pressure sensor A direct-acting pressure sensor capable in the low-pressure range and including a pressure-sensitive assembly constituted by inner and outer concentrically-arranged curved springs anchored at one end in a socket to define a pressure region therebetween, w... | 09/01/1987 |
| 4646406 | Welded edge bourdon strip thermometer-manometer A bourdon tube for gas and liquid-filled thermometers and pressure gauges constructed by edge welding two strips of isoelastic nickel alloy to form a wall to wall low volume bourdon tube that exhibits a low ambient temperature effect and improved rangeabi... | 03/03/1987 |
| 4646574 | Pressure gauge housing made of synthetic material A pressure gauge housing (3) made of a synthetic material and having O-ring sealing seat (1) for the spring carrier (42). The housing features a protruding edge (2) which is molded on the front side on the cup-shaped housing (3). The O-ring sealing seat (... | 03/03/1987 |
| 4641533 | Pressure measuring apparatus A pressure measuring apparatus especially of aggressive fluids includes a manometer whose casing accommodates a diaphragm separating a first chamber within the casing from a second chamber within the casing. The first chamber contains a neutral fluid whic... | 02/10/1987 |
| 4615219 | Pressure gauge for use with a corrosive fluid medium A pressure gauge for use with a corrosive fluid containing a sulfide which includes a Bourdon tube made from stainless steel type 316 and having a first or outer hardened layer and a second or inner layer having a hardness equal to or less than Rc22. The ... | 10/07/1986 |
| 4543833 | Pressure gauge with add-on wrench flats Custom sized wrench flats of a relatively large dimension are weld attached to a round stock socket of a post-assembled pressure gauge. This enables cost effective pre-assembly of the gauge components while complying with code standard size requirements f... | 10/01/1985 |
| 4542654 | Bourdon tube construction A Bourdon tube and its method of manufacture comprised of a displaceable portion having an arcuate extent of between 170 degrees and 190 degrees, with a controlled size opening contained in the edge face of each end. Secured pressure tight in one end open... | 09/24/1985 |
