| Patent Number |
Title Of Patent |
Date Issued |
| RE32414 |
Robot and control system |
May 12, 1987 |
| A compact robot of the 3-axis type comprising a base-mounted motor control system with means to sense the position of a robot arm through a servo-system comprising position-sensing potentiometers mounted in the motor control system and a feed-back control system to co-ordinate the ve |
| 5393434 |
Liquid chromatography method |
February 28, 1995 |
| A liquid chromatography system including a liquid pump having a pumping chamber, an inlet port, an outlet port, and a purge port, all communicating with the pumping chamber; a separation column; an outlet valve connected between the outlet port and the separation column and adapted t |
| 5393420 |
Liquid chromatography system |
February 28, 1995 |
| A liquid chromatography system including a liquid pump having a pumping chamber, an inlet port, an outlet port, and a purge port, all communicating with the pumping chamber; a separation column; an outlet valve connected between the outlet port and the separation column and adapted t |
| 5045047 |
Automated centrifuge |
September 3, 1991 |
| A centrifuge apparatus including a rotor; a drive coupled to the rotor; an inner ring adapted to pivotally support an annular array of inner containers having open upper ends; an inner coupling coupled between the rotor and the inner ring so as to cause rotation thereof and resultant |
| 4607196 |
Lab bottle capper |
August 19, 1986 |
| A torque-sensing rotary tool for use in bottle-capping, and other such applications. The tool (10) is characterized by independent motors (30 and 40) means for gripping and rotating bottles or the like and a rotation-counter which forms means, with associated circuitry (FIG. 9), to d |
| 4510684 |
Robot tool system |
April 16, 1985 |
| A means for automatically replacing tool means on a robot arm comprising a novel automatically releasable tool means, comprising electrical control conduits communicating with said robot and, in proper circumstance, with a tool rack to signal its position and condition on said rack. |
| 4507044 |
Robot and control system |
March 26, 1985 |
| A compact robot of the 3-axis type comprising a base-mounted motor control system with means to sense the position of a robot arm through a servo-system comprising position-sensing potentiometers mounted in the motor control system and a feed-back control system to co-ordinate the ve |
| 4488241 |
Robot system with interchangeable hands |
December 11, 1984 |
| A robot system comprising readily interchangeable hands. Usually the system will be controlled by a computer which will communicate with servo motors in each hand through an analog pulse width generator on the robot. The computer controller will also be able to utilize robot-associated |
| 4407988 |
Method for preparing a wear-resistant composition containing fluorinated graphite, graphite fibe |
October 4, 1983 |
| A composition suitable for manufacturing into wear-resistant and chemically-inert articles, the composition being a mixture of 74 to 84% polytetrafluoroethylene, 7-17% graphite fibers, and 4-14% fluorinated graphite. |
| 4342679 |
Wear-resistant sintered composition having an empirical formula CF.sub.1.3 comprising graphite f |
August 3, 1982 |
| A composition suitable for manufacturing into wear-resistant and chemically-inert articles, the composition being a mixture of 74 to 84% polytetrafluoroethylene, 7-17% graphite fibers, and 4-14% fluorinated graphite. |
| 4333977 |
Wear-resistant article |
June 8, 1982 |
| A wear-resistant and chemically-inert article made from a sintered mixture of polytetrafluoroethylene, graphite fibers, and fluorinated graphite. |
| 4281687 |
Fluid storage device |
August 4, 1981 |
| A pump for precise, smooth delivery of liquid, particularly in liquid chromatography systems, featuring two liquid displacement elements mounted for reciprocating movement in chambers connected in series with two check valves, one displacement element serving to accumulate some of the li |
| 4245963 |
Pump |
January 20, 1981 |
| A pump for precise, smooth delivery of liquid, particularly in liquid chromatography systems, featuring two liquid displacement elements mounted for reciprocating movement in chambers connected in series with two check valves, one displacement element serving to accumulate some of the li |
| 4070285 |
Chromatography tube |
January 24, 1978 |
| A column for use in liquid chromatographic processes wherein the column is formed with an external reinforcing sleeve that has been found to contribute dimensional stability which results in surprising and important advantages in improving chromatographic performance. Another aspect of t |
| 4027983 |
Novel gasket and flow cell comprising same |
June 7, 1977 |
| A plate-like structure comprising a liquid flow path formed in one face thereof, a thin ductile seal-forming coating on the face of the structure which forms the flow path. The structure finds many utilities, most advantageously in constructing a novel valve wherein the disk is flexible |
| 4026803 |
Chromatographic column with improved end fittings |
May 31, 1977 |
| Novel end fitting assemblies of particular advantage for use on liquid chromatographic columns, and novel chromatographic columns comprising these novel end fittings. The end-fittings are characterized by (a) very low dead space; (b) economical and convenient replacement of wearing p |
| 3981620 |
Pumping apparatus |
September 21, 1976 |
| A compact pumping system especially useful in liquid chromatography wherein comprising a liquid path which is fully flushed in each stroke of a pump, a pump which provides substantially pulse-free flow, a pressure-sensor integrated into said flow path and operably connected to the contro |
| 3958898 |
Pump control systems |
May 25, 1976 |
| A compact pumping system especially useful in liquid chromatography wherein comprising a liquid path which is fully flushed on each stroke of a pump, a pump which provides substantially pulse-free flow, a pressure-sensor integrated into said flow path and operably connected to the contro |
