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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4211310 |
Spot-type disc brake |
Jul. 8, 1980 |
| 4211309 |
Invalid walker with improved brake means |
Jul. 8, 1980 |
| 4211308 |
Device for absorbing tension loads in an elongate flexible member |
Jul. 8, 1980 |
| 4211307 |
Removable step or shelf for ladder |
Jul. 8, 1980 |
| 4211306 |
Emergency building escape ladder |
Jul. 8, 1980 |
| 4211305 |
Sound absorbing device |
Jul. 8, 1980 |
| 4211304 |
Sound absorbing device |
Jul. 8, 1980 |
| 4211303 |
Sound absorbing device |
Jul. 8, 1980 |
| 4211302 |
Sound absorbing device |
Jul. 8, 1980 |
| 4211301 |
Marine seismic transducer |
Jul. 8, 1980 |
| 4211300 |
Air gun with reciprocating shuttle |
Jul. 8, 1980 |
| 4211299 |
Parking apparatus for laterally shifting a vehicle |
Jul. 8, 1980 |
| 4211298 |
Offset tractor |
Jul. 8, 1980 |
| 4211297 |
Weight vehicle apparatus |
Jul. 8, 1980 |
| 4211296 |
Scale |
Jul. 8, 1980 |
| 4211295 |
Method and a scale for manual or automatic weighing of objects of same nominal weight |
Jul. 8, 1980 |
| 4211294 |
Impregnated diamond drill bit |
Jul. 8, 1980 |
| 4211293 |
Variable orifice sleeve valve hydraulic jar tool |
Jul. 8, 1980 |
| 4211292 |
Borehole angle control by gage corner removal effects |
Jul. 8, 1980 |
| 4211291 |
Drill fluid powered hydraulic system |
Jul. 8, 1980 |
| 4211290 |
Drilling string shock-absorbing tool |
Jul. 8, 1980 |
| 4211289 |
Sleeve with armband |
Jul. 8, 1980 |
| 4211288 |
Raisable implement frame with operably connected wheel and draft frames |
Jul. 8, 1980 |
| 4211287 |
Folding tool beams with level equalizer therebetween |
Jul. 8, 1980 |
| 4211286 |
Reversible disc plough |
Jul. 8, 1980 |
| 4211285 |
Agricultural method and implement |
Jul. 8, 1980 |
| 4211284 |
Sugarcane cultivator |
Jul. 8, 1980 |
| 4211283 |
Soil cultivating implements |
Jul. 8, 1980 |
| 4211282 |
Adjustable blade stabilizer and controls |
Jul. 8, 1980 |
| 4211281 |
Articulated plural well deep water production system |
Jul. 8, 1980 |
| 4211280 |
Downhole surge tools, method and apparatus |
Jul. 8, 1980 |
| 4211279 |
Plunger lift system |
Jul. 8, 1980 |
| 4211278 |
Header structure for a panel-type radiator and method of making said structure |
Jul. 8, 1980 |
| 4211277 |
Heat exchanger having internal fittings |
Jul. 8, 1980 |
| 4211276 |
Method of making fin elements for heat exchangers |
Jul. 8, 1980 |
| 4211275 |
Device for continuous horizontal casting |
Jul. 8, 1980 |
| 4211274 |
Equipment for cooling and separation of castings and moulding sand |
Jul. 8, 1980 |
| 4211273 |
Arrangement at a continuous casting plant |
Jul. 8, 1980 |
| 4211272 |
Cooling of ingots or castings |
Jul. 8, 1980 |
| 4211271 |
Continuous casting mold geometry improvement |
Jul. 8, 1980 |
| 4211270 |
Method for continuous casting of metallic strands at exceptionally high speeds |
Jul. 8, 1980 |
| 4211269 |
Method of centrifugally casting metal under an inert atmosphere |
Jul. 8, 1980 |
| 4211268 |
Wheel |
Jul. 8, 1980 |
| 4211267 |
Thermal insulating and cushioned bag, especially a carrying bag |
Jul. 8, 1980 |
| 4211266 |
Flexible container with discharge tube |
Jul. 8, 1980 |
| 4211265 |
Log splitting apparatus |
Jul. 8, 1980 |
| 4211264 |
Log splitter |
Jul. 8, 1980 |
| 4211263 |
Dual fill rate liquid filler apparatus having a single control valve |
Jul. 8, 1980 |
| 4211261 |
Fabrics for protective garments having strands of reflective materials |
Jul. 8, 1980 |
| 4211260 |
Multilayer vessel or tube construction |
Jul. 8, 1980 |
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