| Class Number |
Class Name |
Patents |
| 266/101 |
Having means for leaching and subsequently precipitating a metal |
73 |
| 266/102 |
Means treating a continuum of work |
45 |
| 266/114 |
Having means for contacting a solid metalliferous material or metal object with a liquid |
89 |
| 266/135 |
With cleaning or lubricating means |
42 |
| 266/137 |
With means to comminute or disintegrate solids |
30 |
| 266/138 |
With means to preheat gas |
18 |
| 266/142 |
Geographic or structural installation |
74 |
| 266/144 |
With means treating or handling gases exhausted by treating means |
107 |
| 266/160 |
Combined or convertible |
87 |
| 266/161 |
Means for extracting and refining metal |
16 |
| 266/165 |
Ambulant vessel |
49 |
| 266/166 |
Treating vessel with distinct molten material holding means, e.g., forehearth |
20 |
| 266/167 |
Thermit™ reaction vessel |
12 |
| 266/168 |
Means for treating ores or for extracting metals |
53 |
| 266/200 |
Means for melting or vaporizing metal or treating liquefied metal |
98 |
| 266/249 |
Means treating solid metal |
100 |
| 266/265 |
Means for introducing fluent into vessel, e.g., tuyere |
126 |
| 266/271 |
Means sealing or opening aperture in vessel |
153 |
| 266/274 |
Means for holding or supporting work |
78 |
| 266/280 |
Linings |
183 |
| 266/287 |
Miscellaneous |
124 |
| 266/44 |
Process |
337 |
| 266/48 |
Means for cutting solid metal with heat, e.g., blowpipes |
194 |
| 266/78 |
With control means responsive to sensed condition |
96 |
| 266/900 |
Metal melting furnaces, e.g., cupola type |
103 |
| 266/901 |
Scrap metal preheating or melting |
172 |
| 266/902 |
Blowpipes specialized to transversely cut or notch blooms, billets or bars |
6 |
| 266/903 |
Safety shields |
12 |
| 266/904 |
Blowpipe cutting heads |
7 |
| 266/905 |
Refractory metal-extracting means |
29 |
| 266/96 |
With programmed, cyclic, or time responsive control means |
28 |
| 266/99 |
With recording, indicating, inspection or measuring means |
159 |
| 266/DIG.1 |
Repair or restoration of apparatus |
27 |
