Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7340953 | Liquid measuring vessel The present invention relates to a liquid measuring vessel having a removable volume indicating clip. ... | 03/11/2008 |
| 7286309 | Infrared sight glass for aftermarket fitment An infrared sight glass for aftermarket fitment around an opening of an enclosure which enables thermal inspection of electrical equipment within the enclosure. The mounting of the sight glass is performed externally which avoids having to access the interior of the... | 10/23/2007 |
| 7264132 | Box-like container with an interpenetrating structure and process for the realization thereof A box-like hollow body, particularly a container of various shapes and size, comprising at least an inner hollow body 3 and an outer hollow body 2, interpenetrating with each other so as to create an integral structure with particular characteristics o... | 09/04/2007 |
| 7066218 | Insect control system and method The present invention provides an automated insect control system. The system utilizes a container tank, a canned pump, distribution system, and a programmable digital timer to allow a user to control the times per day and the duration in which to apply insecticide ... | 06/27/2006 |
| 6938481 | Sight glass and low temperature method of manufacturing the same An improved lower cost sight glass and a method for producing the same is disclosed, whereby the sight glass is made by placing a transparent component in secure contact with a metallic ring. The contact may optionally be effectuated by temporarily altering the rela... | 09/06/2005 |
| 6907732 | Master cylinder device for brake A master cylinder device for a brake comprise a master cylinder body having a cylinder bore, a reserve tank provided integrally with the master cylinder body so as to have a fluid reserving portion for feeding hydraulic fluid for the brake, a fluid passing port prov... | 06/21/2005 |
| 6851581 | Washing agent dispenser for a household a dishwasher A washing agent dispenser is described, for a household washing machine, namely a dishwasher, said dispenser including a tank for containing a liquid washing agent, to which a device is associated for the visual control of the level of said liquid washing agent. Acc... | 02/08/2005 |
| 6741411 | Changeable process window A process window unit for the spectroscopic study of process mixtures The process window is comprised of a window frame for holding a window, a screw cylinder, with a radiation passage in its core and an external thread for screwing the screw cylinder into the windo... | 05/25/2004 |
| 6639745 | Observation window of a hyperbaric chamber An observation window of a hyperbaric oxygen chamber includes a frame, and a transparent member. The frame is fixedly joined to a wall of the chamber. The frame includes an outer annular connecting portion, and an inner annular holding portion, which is e... | 10/28/2003 |
| 6568587 | Collapsible measuring container A self-supporting container formed by folding a shape-retaining paper sheet in substantially W-shape and joining opposite side edges of the inner surface thereof. At least one side wall of the container is provided with a see-through window and graduation... | 05/27/2003 |
| 6375031 | Container for liquids having viewing window A container for liquids having a receptacle suitable for containing a liquid, the receptacle having a wall portion and a floor portion joined to contain liquid, the wall portion having an aperture suitable for allowing a substantial portion of the liquid ... | 04/23/2002 |
| 6359742 | Weldable sightglass assembly The invention provides a sightglass assembly for viewing the interior of a vessel, such as a reaction vessel for chemical or biochemical reactions, and is adapted to be welded to a vessel wall. The sightglass assembly comprises a window disc fused to a me... | 03/19/2002 |
| 6355911 | Method of securing articles and an electric kettle made by such a method There is disclosed a method of securing a stainless steel housing (12) for a kettle (10), a polypropylene or polycarbonate water gauge (14), and a polypropylele or polycarbonate backing element (16A, 16B, 16C, 16D, 16E), including the steps of (a) welding... | 03/12/2002 |
| 5793522 | Observation window for checking the temperature of objects Observation window, especially for checking the temperature of objects using infrared thermography, including a parallel-faced transparent insert made of a single crystal suitable for radiation to pass through without being substantially modified and/or a... | 08/11/1998 |
| 5459609 | Hermetically sealed optical mounting assembly An ultra-high, hermetically sealed optical mounting assembly for sealing a fragile optical element includes a lid portion defining a thin, bendable flange spring member to gradually and evenly apply a relatively low sealing load at a knife edge for graspi... | 10/17/1995 |
| 5284105 | Sight glass assembly and wiper for cargo holds A sight glass assembly is bolted to a mounting flange welded to a barge deck around an opening therein at the top of a cargo tank in the barge. A couple of wiper assemblies are mounted to the sight glass and are operable from outside the glass by hand cra... | 02/08/1994 |
| 5210658 | Sight glass assembly A sight glass assembly generally consisting of a first housing section having an opening therethrough mountable on a vessel wall, a second vessel section having an opening therethrough registrable with the first housing section opening when the first hous... | 05/11/1993 |
| 4986636 | Viewing glass for vacuum apparatus The invention is directed to a viewing glass having a transparent pane and a pair of flanges. In order to facilitate simple manufacture of the viewing glass, it is proposed that the pane be arranged in an inside step of the one of the flanges and be surro... | 01/22/1991 |
| 4807474 | Sight glass assembly A sight glass assembly comprising a housing adapted to be mounted on a wall, the housing having a bore therethrough, the housing bore having an enlarged section providing a shoulder, a lens disposed in the enlarged bore section and seated on the shoulder,... | 02/28/1989 |
| 4803876 | Sight glass for observing lubricant in the lower gearcase of marine engines Apparatus for providing a sight glass in the lower gearcase of a marine engine wherein the gearcase has a circular opening in its side. The circular opening has three concentric segments, the outermost segment has the largest diameter and is internally th... | 02/14/1989 |
| 4772277 | Chest cavity evacuation apparatus with resettable air volume meter A chest cavity evacuation apparatus is provided with an air meter which is capable of directly measuring the volume of removed air. Small volumes of evacuated air are collected and measured, and the volume meter is resettable by tilting of the apparatus.... | 09/20/1988 |
| 4770039 | Device for indicating level of liquid contents remaining in tank A device for indicating the level of liquid contents remaining in a tank which has a viewing portion through which the side of a synthetic resin tank is exposed. The viewing portion is formed around a cap and in the vicinity of an opening of the tank whic... | 09/13/1988 |
| 4757710 | Sight glass for observing lubricant in the lower gearcase of marine engines A sight glass assembly for observing the lubricant in the lower gearcase of a marine engine. The assembly is designed to be bonded into a circular hole in the lower gearcase housing and includes a window retaining ring which is bonded to the gearcase hous... | 07/19/1988 |
| 4738064 | Hermetically sealed window A window of a transparent material suitable for closing an opening in a wall of a sealed container, which window has two conical portions whose bases face each other. An elastic seal is interposed between each of the conical surfaces and the wall of the o... | 04/19/1988 |
| 4696261 | Coolant level sensor arrangement in boiling liquid cooling system In order to accurately detect the coolant level in the coolant jacket of a cylinder head, a separate chamber member is mounted to the cylinder head and fluidly communicated with the coolant jacket of the cylinder head in a manner to contain therein the co... | 09/29/1987 |
| 4676102 | Device for indicating the quantity of a liquid in a reservoir and reservoir provded with such a device This invention relates to a device for indicating the temporally variable quantity of a liquid contained in a reservoir or tank, whatever the indication of this reservoir with respect to the horizontal, wherein the device comprises an auxiliary recipient ... | 06/30/1987 |
| 4603443 | Toilet with sight gauge A two-piece portable toilet having sight gauges for the flush water reservoir and holding tank. The sight gauge takes the form of a translucent plastic insert having a highlight formed by a diametral groove which permits the liquid level to be clearly asc... | 08/05/1986 |
| 4544075 | Hydraulic pressure cylinder with integrated reservoir A hydraulic pressure cylinder with an integrated reservoir which includes a cylinder body of strengthened resin, a reservoir tank of strengthened resin molded with the cylinder body as one body and having a wall portion and an opening formed in the wall p... | 10/01/1985 |
| 4541277 | Self-sealing, self-cleaning sight glass A sight glass assembly (10), especially adapted for use with continuous vulcanizing lines and the like wherein visual or optical access is required, constructed so as to provide self-sealing action during assembly and continuously self-cleaning action dur... | 09/17/1985 |
| 4487117 | Cooking appliance with lid and open work basket A cooking appliance including a vat for containing food during cooking, having a lid for engaging the vat. The lid has a transparent portion forming a double window consisting exclusively of an upper window and a lower window congruently placed on top of ... | 12/11/1984 |
| 4468095 | Sight glass assembly A sight glass assembly comprising a first housing section having an opening therethrough, mountable on a vessel wall having an opening therethrough so that the first housing section opening registers with the vessel wall opening, the opening of the first ... | 08/28/1984 |
| 4446731 | Container having sight glass A fluid container, e.g. in an air filter or lubricator, has a metal bowl with a sight glass comprising an elongate light-transmitting member of longitudinally tapered form. The sight glass member is slidable into a complementary tapered slot or recess def... | 05/08/1984 |
| 4436375 | Sight glass apparatus A sight glass assembly comprising a housing structure having a circular opening therethrough, the opening having an enlarged section, a lens disposed across the opening and having a peripheral portion received within the enlarged section of the housing st... | 03/13/1984 |
| 4373465 | Visual fluid level indicator A transparent plastic plug (60) is attached to a reservoir housing (16) to provide a visual indication of the fluid level within. The housing (16) includes a pair of tabs (46, 48) and the plug (60) includes a pair of resilient projections (76, 78) which c... | 02/15/1983 |
| 4363240 | Liquid-level indicating window The present invention is directed to liquid-level indicating windows, especially suitable for reservoirs for master cylinder, which are characterized in that a container for housing a liquid is provided with a hole bored therein to which the liquid-level ... | 12/14/1982 |
| 4335167 | Brake fluid reservoir comprising polymethylpentene and 10-20% glass fibers An improved brake fluid reservoir is disclosed. The reservoir is made from polymethylpentene and includes 10-20% by weight glass fibers as an opacifying agent. A translucent reservoir is obtained which has the highly desirable feature of visibility of the... | 06/15/1982 |
| 4245749 | Safety device A safety device for a pressure vessel having an opening therein in which is positioned an upstanding base secured around the vessel opening with a frangible diaphragm covering the opening. A protective cap covers the base with the frangible diaphragm and ... | 01/20/1981 |
| 4206537 | Method of making a sight glass assembly A method of making a sight glass assembly generally including forming a housing having an opening therethrough provided with an annular wall, forming a lens having an annular peripheral wall provided with a diameter greater than the diameter of the housin... | 06/10/1980 |
| 4182179 | Sight glass assembly A sight glass assembly including a housing structure mountable on a vessel for containing fluid, the housing structure having an opening therethrough, the opening having an enlarged section providing a shoulder, a face plate having an opening registered w... | 01/08/1980 |
| 4169309 | Method of making a sight glass assembly A method of making a sight glass assembly generally including forming a housing having an opening therethrough provided with an annular wall, forming a lens having an annular peripheral wall provided with a diameter greater than the diameter of the housin... | 10/02/1979 |
