Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 4917576 | Method and apparatus for conveying a liquid In a method for conveying a liquid at or in the proximity of its boiling temperature, in particular, liquid hydrogen, by means of a pump which draws the liquid from a storage container through a suction entrance port, in order to prevent undesired bubble ... | 04/17/1990 |
| 4840486 | Apparatus for measuring flow vectors in gas currents The apparatus contains a dispersion means (DP) decomposing the incident laser beam into a number of colors (C1-C5) spacially separated from each other. The focusing points of said colors are subsequently traversed by particles contained in the flow. The l... | 06/20/1989 |
| 4835393 | Method and apparatus for determining concentration To improve the accuracy and reduce the sensitivity of interference absorptions in a method for determining the concentration of formaldehyde in a medium by an absorption measurement in the range of at least one characteristic absorption band of the formal... | 05/30/1989 |
| 4792289 | Reciprocating pump for cryogenic fluids In a reciprocating pump for cryogenic fluids comprising a pump cylinder in which a piston is oscillatingly displaceable in a sealed state, an inlet valve and an outlet valve, and an annular channel surrounding the pump cylinder on the outer side and formi... | 12/20/1988 |
| 4763508 | Method for determining the friction torque of a test bearing In a method for determining the friction torque of a test bearing, wherein one race member of the test bearing is rotated at a constant rotational speed, while the other race member is connected via a measuring head to a spring acting as force pickup whic... | 08/16/1988 |
| 4727721 | Apparatus for magnetocaloric refrigeration An apparatus for magnetocaloric refrigeration, comprising a ferromagnetic terial arranged in a rotor and alternately entering and exiting from a stationary magnetic field when the rotor rotates, and also comprising a circuit for a working gas coming into ... | 03/01/1988 |
| 4721384 | Optical-electronic rangefinder There is provided by the present invention an optical-electronic rangefin having a housing adapted to be integrated in the gripping arm or mechanism of a robot and housing a light transmitter transmitting a well focussed high intensity light beam, a ligh... | 01/26/1988 |
| 4655392 | Steam-generator control method A steam-generator control method is proposed for controlling the mass flows f an oxidant and a fuel which are supplied for combustion. In order to control the flows at stoichiometric ratios with a required accuracy, the controlled variables are established... | 04/07/1987 |
| 4631398 | Apparatus for receiving electromagnetic radiation Apparatus for receiving electromagnetic radiation at various angles of incidence including an optical element for guiding the radiation upon a radiation detector, and magnetic drive means for adjusting the position of the optical element, characterized by... | 12/23/1986 |
| 4629414 | Hot gas generating burner The invention relates to a hot-gas generating burner comprising a nozzle charging a fuel jet which then enters a mixing tube, and an orifice plate surrounding the outlet of the nozzle. The casing of the burner is divided by the orifice plate into an upst... | 12/16/1986 |
| 4610623 | Gas burner A gas burner capable of heating a gas to a high temperature and pressure is isclosed. The burner utilizes a mixing canal to mix the fuel and oxidiser gases and a conically enlarging recess at the exit of the mixing canal. In the recess are both several int... | 09/09/1986 |
| 4608830 | Method and apparatus for the automatic refilling of a liquid hydrogen tank in a motor vehicle In order to achieve efficient refueling with a method and an apparatus for the automatic refilling of a liquid hydrogen tank in a motor vehicle in which the tank is connected to a liquid hydrogen supply line as well as a hydrogen gas return line, it is pr... | 09/02/1986 |
| 4604104 | Oil gasifying burner with an oil atomizer In a gasifying oil burner with an oil atomizing device, with combustion air upply means surrounding the atomizing device, with a shield having a shield opening, said shield being disposed downstream of the outlet of the atomizer, with a mixing tube dispose... | 08/05/1986 |
| 4572058 | Piston cylinder system, especially for internal combustion engines To reduce deformation of the piston pin for the rotating connection of a ton and a connecting rod in a piston cylinder system, especially in internal combustion engines, where the piston pin is made of fiber-reinforced composite material in which fibers ... | 02/25/1986 |
| 4570578 | Method and device for operating a hydrogen motor A method and apparatus is provided for propelling a hydrogen engine with ogenically stored hydrogen, wherein a pump, cooled down to an operating temperature close to the hydrogen boiling point, feeds hydrogen to the fuel-injection hydrogen engine. In ord... | 02/18/1986 |
| 4566634 | Injection device for a diesel engine The injection device has a nozzle body (10) with a movable valve needle (. At the front end of the nozzle body (10) there is the discharge nozzle (11). The front end of the nozzle body (10) is surrounded by an ejector attachment (17) which has a suction ... | 01/28/1986 |
| 4540868 | Plasma gun that reduces cathode contamination In order to avoid contamination of a bombarding plasma jet by the products f cathode erosion in a plasma gun having a cathode and an anode, with which a connecting plasma is produced which strikes vertically onto the bombarding plasma jet and flows through... | 09/10/1985 |
| 4414488 | Apparatus for producing a discharge in a supersonic gas flow Disclosure is directed to an apparatus for producing a microwave discharge n a supersonic gas flow such that the available microwave energy is deposited in the gas as completely and uniformly as possible through a substantial cross-section of the flow chan... | 11/08/1983 |
| 4410031 | Latent heat accumulator A latent heat accumulator is disclosed including an upright container hav, in a major volume first section, a latent heat storage medium, and a passage for a heat exchange medium extending through the charge in the first section. The passage is of the ty... | 10/18/1983 |
| 4386309 | Storage of liquid hydrogen Hydrogen evaporating in a liquid hydrogen tank is fed to a fuel cell generating electrical energy used to drive a cooling unit which cools the tank.... | 05/31/1983 |
| 4371029 | Latent heat accumulator A latent heat accumulator is disclosed including a vessel for receiving a tent heat storage medium and a circuit for a heat exchanger medium. The heat exchanger medium is immiscible with the latent heat storage medium, has a different density than the hea... | 02/01/1983 |
| 4335586 | Shaft-disc assembly A disc is centered and secured on a shaft by means of flexible webs which extend parallel to the shaft and lie against the inner surface of a central aperture in the disc, and by radially extending tongues fixed to the shaft and entering into correspondin... | 06/22/1982 |
| 4300622 | Discharging a latent-heat accumulator A latent heat accumulator gives up its heat when a heat exchange medium is assed through the accumulator and around a circuit containing an external heat sink. The heat storage medium in the accumulator changes its state from liquid to solid as it gives up... | 11/17/1981 |
| 4286650 | Method for charging or discharging a heat accumulator A method of charging and discharging a heat accumulator is disclosed, when a heat exchange medium is passed through a heat accumulator medium. The heat exchange medium can either be heated or cooled external to the heat accumulator medium. If it is heate... | 09/01/1981 |
| 4211208 | Container for a heat storage medium A container is disclosed for storing a heat storage medium which changes ween solid and fluid states to store and release heat, characterized in that the container includes flexible walls which are displaced to vary the volume of the container in accorda... | 07/08/1980 |
| 4156828 | Glow discharge apparatus and a method of operating same A glow discharge apparatus consists of a discharge tube with an anode at end and a cathode at the other end. The anode has a flat surface facing the end of the discharge tube, and gas enters the tube via an annular gap formed between the flat anode surf... | 05/29/1979 |
| 4086958 | Heat exchange method and apparatus including two non-mixable media Heat exchange method and apparatus are disclosed which include the use of o non-mixable media of different temperatures that are brought in direct contact with each other to effect the transfer of heat from the heating medium to the heat storage medium. O... | 05/02/1978 |
