| Patent Number |
Title Of Patent |
Date Issued |
| 5350076 |
Bridge crane electric motor control system |
September 27, 1994 |
| An improved bridge crane electric motor control system is disclosed, wherein a computer, a programmable controller, is employed to not only control the application of electrical energy to the motors of a bridge crane but also to count and store the instances of overload and of use. T |
| 5133465 |
Bridge crane electric motor control system |
July 28, 1992 |
| An improved bridge crane electric motor control system is disclosed, wherein a computer, a programmable controller, is employed to not only control the application of electrical energy to the motors of a bridge crane but also to count and store the instances of overload and of use. T |
| 4413811 |
Water-cooled, liningless cupola |
November 8, 1983 |
| An improved water-cooled, liningless cupola wherein the lower portion of the water-cooled body section, including the high heat area above the tuyeres, tapers inwardly toward the bottom with the taper terminating a short distance above the tuyeres and with the remainder of the bottom end |
| 4274784 |
Cupola charging |
June 23, 1981 |
| A cupola installation having a top charging opening and a vibratory feeder mounted to discharge into the top opening from one side. The skiphoist associated with the cupola carries two charging buckets, one for discharging charge material into the top charging opening in the stack wh |
| 4270975 |
Liquid-vapor separation device and method |
June 2, 1981 |
| A liquid-vapor separation device and method, including a generally horizontally-disposed arcuate passageway which interconnects the outlet of the tube side of a heater component of an evaporator to a condensor or subsequent effect heater. A floor plate is disposed in the arcuate pass |
| 4167142 |
Convertible railway car shifting locomotive |
September 11, 1979 |
| An improved rail car moving vehicle adapted for travel alternately in one mode on rail wheels on a railway track and in an off-track mode on ground wheels, with weight transfer capabilities from a coupled railway car when in the on-rail mode, and characterized by improvements, including: |
| 4155309 |
Convertible rail-highway traction vehicle control cab |
May 22, 1979 |
| A weight transfer rail traction vehicle adapted for travel on alternate sets of rail or road wheels which is characterized by a number of features including: a spring and shock absorber system which cooperate to maintain the springs, while in a rail travel mode, in an active condition de |
| 4147238 |
Rail traction vehicle brake system |
April 3, 1979 |
| A weight transfer rail traction vehicle adapted for travel on alternate sets of rail or road wheels which is characterized by a number of features including: a spring and shock absorber system which cooperate to maintain the springs, while in a rail travel mode, in an active condition de |
| 4113552 |
Elutriation leg and method |
September 12, 1978 |
| The transfer of agitational forces from a main vessel to an elutriation leg connected thereto is effectively minimized with a slurry inlet and liquor outlet device mounted in the upper end of the elutriation leg. The device includes a slurry flow directing member which receives the gravi |
| 4067259 |
Convertible rail-highway traction vehicle |
January 10, 1978 |
| A weight transfer rail traction vehicle adapted for travel on alternate sets of rail or road wheels which is characterized by a number of features including: a spring and shock absorber system which cooperate to maintain the springs, while in a rail travel mode, in an active condition de |
| 4065266 |
Apparatus for manufacturing phosphoric acid |
December 27, 1977 |
| Apparatus for manufacture of wet process phosphoric acid wherein phosphate rock and sulfuric acid are separately added to a combination reactor and cooler unit at a rate of addition such that the increase in calcium content and sulfate content in the slurry contained in the unit are smal |
| 4000885 |
Cupola furnace waste gas recuperative system and method for operating same |
January 4, 1977 |
| An improved cupola furnace waste gas recuperative system and method for collecting waste furnace gases, cleaning them for the purpose of safely burning same either in a recuperator-heat exchanger for preheating incoming furnace blast air or for other heating purposes. The improvement |
| 3980801 |
Tilt and swing lock mechanism for electric furnace |
September 14, 1976 |
| A mechanical tamper-resistant interconnecting locking apparatus is connected to a top charge tiltable direct arc electric furnace which includes a refractory lined furnace shell and a removable roof covering a top opening in the shell.The apparatus includes a first locking mechanism whic |
| 3963424 |
Cooling aqueous alkali metal hydroxide liquors by vacuum evaporation with subsequent solids prec |
June 15, 1976 |
| A method and apparatus for cooling aqueous alkali metal hydroxide liquors such as, for example, caustic soda liquors, involving the vacuum cooling of a body of such liquor in an evaporating chamber having a overhead vapor outlet which communicates with a direct-contact barometric condens |
| 3961904 |
Crystallization apparatus |
June 8, 1976 |
| A crystallization vessel is provided which includes an elutriation column having an outlet at an upper end thereof and an inlet at a lower end thereof which inlet is in communication with a body of slurry contained therein. Flow regulating means associated with the elutriation column |
| 3960242 |
Orbital service bridge |
June 1, 1976 |
| An orbital service bridge for positioning a work platform at desired positions within an overlying dome-shaped structure comprises inclined leg members pivotally mounted at one end near the top of the dome. A motor driven trolley positions the other end of the leg member along a track |
| 3939248 |
Process and apparatus for manufacturing phosphoric acid |
February 17, 1976 |
| A method and apparatus for manufacture of wet process phosphoric acid wherein phosphate rock and sulfuric acid are separately added to a combination reactor and cooler unit at a rate of addition such that the increase in calcium content and sulfate content in the slurry contained in |
| 3933576 |
Evaporation of radioactive wastes |
January 20, 1976 |
| An evaporation system for radioactive waste concentration comprises an evaporation chamber, a heat exchanger, and a circulation pump arranged in an upstanding spaced-apart configuration and enclosed within a radiation shield whereby access to the system is limited and frequently only |
