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| Number | Title | Issue Date |
| 4220912 | Vehicle speed control circuit tester An apparatus for testing the current path integrity and operation of a wiring harness and associated components for a vehicle speed control. The testing instrument is powered from the vehicle power supply and utilizes LEDs to provide a visual indication a... | 09/02/1980 |
| 4175725 | Battery strap and post cast-on multi use mold A composite mold construction for casting on the connector straps, posts, and terminals for lead acid electrical storage batteries according to the techniques of U.S. Pat. Nos. 3,718,174 and 3,802,488 wherein the mold cavity areas are alternately heated b... | 11/27/1979 |
| 4172795 | Centrifugal pressure filter with horizontal filter disks A vertically disposed centrifugal pressure filter for suspensions has a closed casing containing a sectional hollow rotary shaft, the long section of which is equipped with filter disks within the casing. A relatively short shaft section has a plug-in con... | 10/30/1979 |
| 4169185 | Gasket for high temperature application having sealant of phenyl and hydrocarbyl-substituted polysiloxane A gasket and a process for preparing it are disclosed characterized in that the gasket is especially adapted for high temperature application, for example, in the range of about 1200° F. to about 1600° F. The gasket comprises a metallic base sheet havin... | 09/25/1979 |
| 4163216 | System for transmitting airport weather information A system for automatically providing real-time weather and other pertinent information about an airport to an aircraft. The system can operate continuously or the pilot can utilize his radio telephone equipment to activate the information transmitter. Ins... | 07/31/1979 |
| 4162569 | Method of making metal gaskets A method of forming metal gaskets from a predetermined length of metal tubing.... | 07/31/1979 |
| 4162000 | Sprag for one-way clutches A one-way clutch assembly having an annular outer race and an annular inner race, and a plurality of sprags spaced circumferentially within the space defined by the outer and inner races adapted to connect the outer and inner races during relative rotatio... | 07/24/1979 |
| 4159207 | Pigment A double phase pigment is disclosed including a first phase of a lattice of zinc sulfide, and a second phase of a lattice of zinc oxide serving as a host for manganese oxide in solid solution. The pigment may be prepared by reacting zinc oxide and mangane... | 06/26/1979 |
| 4156162 | Winder motor control system A system for controlling the speed-torque characteristic of a direct current motor which advantageously can be utilized to drive a surface wind machine for winding web material under controlled tension. The system generates a desired speed signal which is... | 05/22/1979 |
| 4154685 | Gravity flow septic tank system The invention provides a septic tank system of greatly improved effectiveness in maintaining optimum bacterial action for a maximum length of time by utilizing a plurality of series connected tanks with the water level in each successive tank being lower ... | 05/15/1979 |
| 4150328 | Apparatus and method for controlling a machine tool along a circular path In a control apparatus for a machine tool, an interpolator circuit for determining whether or not one of the axis motors should be inhibited on the next step to maintain the tool closer to the desired circular path. The interpolator utilizes information a... | 04/17/1979 |
| 4149529 | Portable thermo-hydraulic physiotherapy device A portable apparatus for controllably cooling and variably, intermittently applying pressure to a portion of a body part of a mammalian organism comprising a liquid supply and control unit having means to store, circulate, cool, agitate, and pressurize a ... | 04/17/1979 |
| 4147373 | Vehicle tow trailer A vehicle tow trailer particularly useful for farm vehicles such as tractors or combines having an underslung frame with cradles for receiving the front wheels of the vehicle. The trailer is arranged with steerable wheels which track the angular relations... | 04/03/1979 |
| 4147225 | Vehicle drive system A vehicle drive system for driving the front and/or the rear wheels of a vehicle wherein the power is transmitted from the rear axle to the front axle by cross-axis gearing mounted on the rear input pinion shaft which meshes with the driven cross-axis gea... | 04/03/1979 |
| 4145509 | Polyacrylated polyurethanes and gaskets having sealants thereof An improved gasket is disclosed having a novel sealant comprising the reaction product of a monoacrylated, terminated, active hydrogen-containing hydrocarboxy reactant an aromatic diisocyanate, and a polyacrylated terminated hydrocarboxy reactant. The act... | 03/20/1979 |
