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| Number | Title | Issue Date |
| 6794671 | Sensors and methods for high-sensitivity optical particle counting and sizing A single-particle optical sensor, which has high sensitivity and responds to relatively concentrated suspensions, uses a relatively narrow light beam to illuminate an optical sensing zone nonuniformly. The zone is smaller than the flow channel so that the sensor res... | 09/21/2004 |
| D492367 | Electric scooter | 06/29/2004 |
| 6670506 | Method for producing dinitro-diaza-alkanes and interediate products thereof A method of synthesis of dinitro-diaza-alkanes and intermediate products thereto from alkylamines and esters, whereby a dialkyl ester of a dicarboxylic acid is reacted with an alkylamine in an aqueous medium to form the corresponding dialkyldiamide of the... | 12/30/2003 |
| 6610036 | Eye drop dispensing system An eye drop dispensing device includes a trough member with a space to receive a cartridge housing enclosing a collapsible bag containing an ophthalmic liquid and comprising a spring finger applying pressure to the bag. The bag includes a wall pierced by ... | 08/26/2003 |
| 6588528 | Electric vehicle drive system An electrically assisted bicycle includes a motor current sensor for controlling a transistor switch in the motor circuit and circuity means establishing a duty cycle and switching rate. The duty cycle is monitored to shut off the motor when the duty cycl... | 07/08/2003 |
| 6494644 | Pile connector and method of installation A method of rapidly installing a composite pile structure of timber pile sections and a pre-selected connector having an opening smaller than a transverse dimension of a working end of a timber pile section. The lower pile section is driven into the groun... | 12/17/2002 |
| 6448227 | Therapeutically effective substance mixture A substance mixture, containing S-acetyl glutathione and Aciclovir, is effective as a medication against the Herpes Simplex virus and the Varicella Zoster virus.... | 09/10/2002 |
| 6398766 | Eye wash system An eye wash system including a first base member slidable on a second base member from a retracted storage position to an extended operative position. One base member has an eye piece on its front end. The other base member pivotally supports a coupling a... | 06/04/2002 |
| 6238364 | Lacrimal silicone stent with very large diameter segment insertable transnasally A lacrimal silicone stent has a very large diameter segment with a diameter greater than the largest diameter stent which can be pulled through the canaliculi readily without damaging the canaliculi, a thin central segment, a moderate diameter segment, an... | 05/29/2001 |
| 6211956 | Automatic dilution system for high-resolution particle size analysis An automatic dilution system and method provides optimal dilution factor DF for a sample suspension containing particles mixed with a diluent. A diluent flows into a mixing chamber, and the sample is injected into the chamber. A sensor, such as a single p... | 04/03/2001 |
| 6099184 | Dispenser-applicator assembly A dispenser-applicator assembly mounted on an aerosol container dispenses and applies a stain to a work surface. The assembly has two integral parts: a dispenser and a porous applicator. The dispenser is molded as one piece of polypropylene and includes a... | 08/08/2000 |
| 6083188 | Lacrimal silicone stent with very large diameter segment insertable transnasally A lacrimal silicone stent has a very large diameter segment with a diameter greater than the largest diameter stent which can be pulled through the canaliculi readily without damaging the canaliculi, a thin central segment, a moderate diameter segment, an... | 07/04/2000 |
| 5757731 | Linear digital-analog interactive wristwatch A wristwatch linear time display (32) is disclosed which can be read at a glance and requires very little display space. Additional functions are described which use the remaining surplus display space. These functions substantially increase the usefulnes... | 05/26/1998 |
| 5501124 | Open end ratchet wrench An open end reversible ratchet wrench has only two pawls, only one of which is engaged with the ratchet at any one time. In a first embodiment, two multitooth pawls are pivoted on a common pivot pin. The design and spacing of the pawl teeth and the locati... | 03/26/1996 |
| 5467672 | Open end ratchet wrench An open end reversible ratchet wrench has only two pawls, only one of which is engaged with the ratchet at any one time. In a first embodiment, two multitooth pawls are pivoted on a common pivot pin. The design and spacing of the pawl teeth and the locati... | 11/21/1995 |
| 5299824 | Wheel chair with rotatable tray A wheel chair with a rotating tray which may be rotated from a first position generally parallel to a back or rear support member. In an alternative position of the rotating tray, the tray is rotated from the first position generally parallel to the arm s... | 04/05/1994 |
| 5189014 | Method of treating cellular Fc receptor mediated hypersensitivity immune disorders A method of immunotherapy for treating diseases and disorders which involve cellular Fc receptor mediated immune responses in humans and animals is disclosed. Abnormal or undesirable cellular Fc receptor mediated immune reactions are beneficially altered ... | 02/23/1993 |
| 4918639 | Overlapped multiple-bit scanning multiplication system with banded partial product matrix A multi-bit overlapped scanning multiplication system assembles modified partial products in a reduced, non-rectangular banded matrix. The rows of the matrix except for the first and last, are extended with bands of encoded extensions of limited length at... | 04/17/1990 |
| 4862719 | Cylinder flanging machines An integral outwardly extending transverse annular flange is formed on one or both extremities of a previously formed cylinder, circumferentially spaced circular openings are then punched in the one or both flanges. An adjustable expansible and freely rot... | 09/05/1989 |
| 4687539 | End point detection and control of laser induced dry chemical etching An end point detection technique indicates when a pulsed excimer laser, operating on a chromium clad copper substrate in the presence of chlorine gas, has etched through the chromium layer. The excimer laser vaporizes successive layers of the chromium chl... | 08/18/1987 |
| 4664914 | Jojoba oil compositions and methods A dermatological coating material is prepared by combining 16 to 70 parts by weight of a glyceryl monostearate componet with 84 to 30 parts by weight of a Jojoba oil component to form a solution with the aid of heat, which solution, when cooled forms a fr... | 05/12/1987 |
| 4644237 | Collision avoidance system A collision avoidance system for a two arm robot is direction sensitive. When the separation between the arms is sensed as equal to or smaller than a predetermined distance, the trailing arm is slowed to avoid a collision. The separation sensor generates ... | 02/17/1987 |
| 4642743 | Power supplies with magnetic amplifier voltage regulation A power supply including a saturable reactor voltage regulator using a core formed of relatively inexpensive magnetically soft material with a B-H loop which is poor in squareness. The reset point of the saturable reactor core is established by a clamping... | 02/10/1987 |
| 4580677 | Belt conveyor for steep or vertical conveyance A belt conveyor for steep or vertical conveyance of bulk material has a conveyor belt (1) of the type having corrugated side walls which travels upstream and downstream of the upper discharge end drum (9) along a steep incline or in the vertical direction... | 04/08/1986 |
| 4551332 | Vitamin E compositions and methods A dermatological coating material is prepared by combining a glyceryl stearate (glyceryl monostearate or glyceryl distearate) with a vitamin E component (-tocopherol acetate, -tocopherol and/or mixed tocopherols) to form a molten solution wi... | 11/05/1985 |
| 4523588 | Protective pillow assembly A protective pillow assembly incorporates an air-impervious transparent plastic hood. In case of fire, the hood is placed over the user's head, the assembly being so arranged that the user breathes through the pillow, or pillow batting, which acts as a sm... | 06/18/1985 |
| 4496946 | Programmable electronic display An electronic display is disclosed herein having a large display medium divided into a plurality of sections arranged in a multiplicity of rows. Each section includes illuminating devices of three different colors. An image source provides cinematographic... | 01/29/1985 |
| 4410517 | Vitamin E (tocopherol) compositions which resemble petrolatum Compositions are disclosed which consist of appropriate quantities and types of glyceryl monostearate dissolved into appropriate quantities and types of vitamin E. Appropriate mixtures or solutions of glyceryl monostearate and vitamine E resemble Vaseline... | 10/18/1983 |
| 4302808 | Multilevel interrupt handling apparatus An interrupt handling apparatus for a data processing system comprising a plurality of processing units and a working memory to which the units may access through a common bus by means of multilevel priority or access requests. Access requests are forward... | 11/24/1981 |
| 4185737 | Curve conveyor belt and method and apparatus for producing the same An annular curve conveyor belt includes a plurality of sector-shaped pieces, the main direction of the inlay or inlays of which extends at right angles to a radial beam of the piece. In one embodiment, the pieces are arranged side by side in one layer wit... | 01/29/1980 |
| 4164764 | Magnetic head position reference system A position reference system is disclosed which provides an indication of the amount of mistracking of a magnetic head while the latter is stationed in its normal operating environment. The system is also capable of providing an indication of the spacing t... | 08/14/1979 |
| 4156801 | Pattern voice coil loudspeaker with baffles touching diaphragm An electrodynamic loudspeaker has a diaphragm with a central driven area. Undriven areas of the diaphragm are baffled to minimize the effect of vibrations from the undriven areas which are out of phase with those in the central driven area.... | 05/29/1979 |
| 4133051 | Information refreshing system in a semiconductor memory A semiconductor memory is provided with means for refreshing the memory. Interrupt requests generated by the memory initiate refreshing cycles which are uniformly distributed during periods of normal operation of the memory, each cycle for a row of the me... | 01/02/1979 |
| 4094402 | Inlay fabric An inlay fabric for transversely stiff conveyor belts having warp threads to be arranged in longitudinal direction of the conveyor belt and relatively stiff weft threads extending transversely thereof. The weft threads have a diameter in the range from 0.... | 06/13/1978 |
| 4060059 | Internal combustion engine An internal combustion engine with greatly reduced emission of pollutants includes a piston having a piston chamber communicating through orifices with the working chamber of the cylinder and an annular balancing chamber communicating with the working cha... | 11/29/1977 |
| 3993913 | Tidewater power system A system for extracting power from the tides includes a dam constructed in a body of water subject to tidal flow for separating the body of water from a tidal basin between the dam and the shoreline. A plurality of water wheel assemblies are mounted on th... | 11/23/1976 |
| 3976929 | Device for the exact positioning of a movable part A device for the precise positioning of a movable member includes means for generating signals permitting localization of successive stop positions of the moving member and means for generating a pulse whenever the member approaches any stop position with... | 08/24/1976 |
| 3955657 | Electric traction transportation system with storage battery powered vehicles and fast recharge at the vehicle stops An urban mass transportation system is disclosed which makes use of storage battery powered vehicles. In view of the specific use which implies pre-established routing of the vehicles and preestablished stops at frequent intervals, the capacity of the bat... | 05/11/1976 |
