| Patent No. | Patent Title: |
| 4252628 | Membrane cell |
| 4238309 | Apparatus for electrochemical development of nuclear radiation tr... |
| 4236994 | Apparatus for depositing materials on substrates |
| 4236977 | Method for preplating steel surfaces |
| 4236985 | Method for machining works of current-conducting material with ... |
| 4236990 | Treater with self-cleaning electrodes |
| 4236989 | Electrolytic cell |
| 4235692 | Electrolytic apparatus |
| 4234333 | Process for recovering metal carbide powder from cemented carbide... |
| 4234395 | Metal composites and laminates formed therefrom |
| 4233132 | Method and apparatus for producing hydrogen |
| 4233135 | Method of fabricating piezoelectric thin film |
| 4233146 | Cell flow distributors |
| 4231853 | Cathodic current conducting elements for use in aluminum reductio... |
| 4230515 | Plasma etching apparatus |
| 4230553 | Treating multilayer printed wiring boards |
| 4230539 | Method for surface treatment of anodic oxide film |
| 4229272 | Chlorine generator and method |
| 4227988 | Potentiostat for use with electrochemical cells |
| 4228220 | Selective absorber on glass and method for its production |
| 4227986 | Apparatus for providing a surface coating on the wall in a cavity... |
| 4226685 | Electrolytic treatment of plating wastes |
| 4226697 | Apparatus for the spark deposition of metals |
| 4225398 | Method of improving the corrosion resistance of an anodically oxi... |
| 4225397 | New and unique aluminum plating method |
| 4225409 | Metallic modified material of intermetallic compound and a proces... |
| 4225411 | Support frame for electrolyte chambers in electrochemical cells |
| 4224131 | Ventilated electroplating tank |
| 4224127 | Electrolytic reduction cell with compensating components in its m... |
| 4224129 | Novel oxygen electrode |
| 4224123 | Method and apparatus for electropolishing tablet compressing tool... |
| 4222838 | Method for controlling plasma etching rates |
| 4222839 | Workpiece holder and method for plasma reactor apparatus |
| 4222841 | Hall cell |
| 4221649 | Thin film strain gage and process therefor |
| 4220514 | Electrode for an electrolytic cell particularly for electrolytic ... |
| 4220271 | Device for replacing pouring tubes |
| 4219397 | Magnetron sputter apparatus |
| 4219401 | Metal electrowinning feed cathode |
| 4218300 | Covering for a cell for fused salt electrolysis |