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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4187936 |
Winch assembly with anti-fallback clutch |
Feb. 12, 1980 |
| 4187935 |
Brake operated shift lock |
Feb. 12, 1980 |
| 4187934 |
Section insulator for catenary systems |
Feb. 12, 1980 |
| 4187933 |
Mechanical snubber assembly |
Feb. 12, 1980 |
| 4187932 |
Ribbon-wrapped carbon brake disk |
Feb. 12, 1980 |
| 4187931 |
Brake housing and actuating mechanism |
Feb. 12, 1980 |
| 4187930 |
Dispensing method and system for lubricating oil and other liquids |
Feb. 12, 1980 |
| 4187929 |
Scaffold stabilizer |
Feb. 12, 1980 |
| 4187928 |
Stepladders |
Feb. 12, 1980 |
| 4187927 |
Remotely actuated auxiliary pressurization system |
Feb. 12, 1980 |
| 4187926 |
Loudspeaker horn |
Feb. 12, 1980 |
| 4187925 |
Device for stretching a band forming part of a safety belt for vehicles |
Feb. 12, 1980 |
| 4187924 |
Rotary mower belt drive |
Feb. 12, 1980 |
| 4187923 |
Guide wheel position indicating apparatus |
Feb. 12, 1980 |
| 4187922 |
Varied pitch rotary rock bit |
Feb. 12, 1980 |
| 4187921 |
Rock bit combination to enhance cuttings removal |
Feb. 12, 1980 |
| 4187920 |
Enlarged bore hole drilling method and apparatus |
Feb. 12, 1980 |
| 4187919 |
Cable-type core barrel |
Feb. 12, 1980 |
| 4187918 |
Down-hole earth drilling motor capable of free circulation |
Feb. 12, 1980 |
| 4187917 |
Pile driver |
Feb. 12, 1980 |
| 4187916 |
Soil conditioning and seed bed preparing apparatus |
Feb. 12, 1980 |
| 4187915 |
Soil cultivating implements |
Feb. 12, 1980 |
| 4187914 |
Soil cultivating implements |
Feb. 12, 1980 |
| 4187913 |
Firehose-assembly steadying device |
Feb. 12, 1980 |
| 4187912 |
Method and apparatus for pumping fluids from bore holes |
Feb. 12, 1980 |
| 4187911 |
Slant hole foam cleanout |
Feb. 12, 1980 |
| 4187910 |
CO.sub.2 removal from hydrocarbon gas in water bearing underground reservoir |
Feb. 12, 1980 |
| 4187909 |
Method and apparatus for placing buoyant ball sealers |
Feb. 12, 1980 |
| 4187908 |
Method for ascertaining optimum location for well stimulation and/or perforation |
Feb. 12, 1980 |
| 4187907 |
Waterflood method using surfactants |
Feb. 12, 1980 |
| 4187906 |
Well bore apparatus with annulus pressure releasable tubing seal unit |
Feb. 12, 1980 |
| 4187905 |
Attachable pipe radiator |
Feb. 12, 1980 |
| 4187904 |
Heat transfer installation having storage reservoir containing a salt as a heat carrier |
Feb. 12, 1980 |
| 4187903 |
Condensers |
Feb. 12, 1980 |
| 4187902 |
Heat exchange apparatus |
Feb. 12, 1980 |
| 4187901 |
Flat plate solar heat collector |
Feb. 12, 1980 |
| 4187900 |
Regenerators |
Feb. 12, 1980 |
| 4187899 |
Method and apparatus for exchanging heat between fluids |
Feb. 12, 1980 |
| 4187898 |
Mandrel for use in continuous casting of hollow ingots |
Feb. 12, 1980 |
| 4187897 |
Tilting connector for venetian blind slat ends |
Feb. 12, 1980 |
| 4187896 |
Self-inflating solar curtain |
Feb. 12, 1980 |
| 4187895 |
Method and apparatus for automatically assembling spoked wheels |
Feb. 12, 1980 |
| 4187894 |
Tire traction device |
Feb. 12, 1980 |
| 4187893 |
Combined additive and administration port for a container |
Feb. 12, 1980 |
| 4187892 |
Recessed screw heads and drivers |
Feb. 12, 1980 |
| 4187891 |
Wear part |
Feb. 12, 1980 |
| 4187890 |
Filling apparatus for pharmaceuticals |
Feb. 12, 1980 |
| 4187889 |
Wire pinch mark detector for use in method and apparatus for semiautomatically manufacturing ele... |
Feb. 12, 1980 |
| 4187888 |
Supply system for a pneumatic weaving machine |
Feb. 12, 1980 |
| 4187887 |
Loom projectile |
Feb. 12, 1980 |
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