Class 237 HEATING SYSTEMS
| Printable Version[PDF] See notes regarding proper use of US-to-IPC Concordances. | ||
| U.S. Subclass | IPC8 Subclass | IPC8 Group |
|---|---|---|
| 1R | F 24 D | 5 / 00 |
| 1R | F 24 F | 5 / 00 |
| 1SL | F 24 D | 7 / 00 |
| 2A | B 60 H | 1 / 00 |
| 2A | B 60 H | 1 / 03 |
| 2A | B 60 H | 1 / 22 |
| 2B | F 24 D | 11 / 02 |
| 2B | F 25 B | 29 / 00 |
| 2B | G 05 D | 23 / 19 |
| 2R | F 24 D | 5 / 00 |
| 2R | F 24 D | 19 / 10 |
| 2R | F 24 H | 9 / 20 |
| 3 - 4 | A 01 K | 31 / 20 |
| 3 - 4 | A 01 K | 41 / 02 |
| 5 - 6 | B 60 H | 1 / 00 |
| 5 - 6 | B 61 D | 27 / 00 |
| 7 | F 24 H | 3 / 06 |
| 8A | B 60 H | 1 / 00 |
| 8A | B 60 H | 1 / 03 |
| 8A | F 24 D | 19 / 10 |
| 8B | F 24 D | 19 / 10 |
| 8C | F 24 D | 3 / 00 |
| 8C | F 24 D | 3 / 08 |
| 8C | F 24 D | 19 / 10 |
| 8D | E 04 H | 1 / 12 |
| 8D | F 24 D | 19 / 10 |
| 8D | F 24 H | 9 / 20 |
| 8R | F 24 D | 3 / 02 |
| 8R | F 24 D | 3 / 08 |
| 8R | F 24 D | 19 / 10 |
| 9A | B 60 H | 1 / 14 |
| 9A | B 60 H | 1 / 20 |
| 9A | F 24 D | 1 / 00 |
| 9B | F 24 C | 3 / 14 |
| 9B | F 24 D | 1 / 00 |
| 9B | F 24 H | 1 / 28 |
| 9R | F 24 D | 1 / 00 |
| 9R | F 24 D | 1 / 02 |
| 9R | F 24 D | 19 / 10 |
| 10 | F 24 D | 1 / 00 |
| 11 | F 24 D | 5 / 00 |
| 12 | F 24 D | 1 / 00 |
| 12.1 | B 60 H | 1 / 02 |
| 12.1 | F 24 D | 1 / 04 |
| 12.1 | F 24 D | 5 / 00 |
| 12.2 | B 60 H | 1 / 02 |
| 12.3A | B 60 H | 1 / 00 |
| 12.3A | B 60 H | 1 / 06 |
| 12.3A | B 60 H | 1 / 18 |
| 12.3B | B 60 H | 1 / 00 |
| 12.3B | B 60 H | 1 / 02 |
| 12.3B | B 60 H | 1 / 20 |
| 12.3C | B 60 H | 1 / 00 |
| 12.3C | B 60 H | 1 / 03 |
| 12.3C | B 60 H | 1 / 22 |
| 12.3R | B 60 H | 1 / 00 |
| 12.3R | B 60 H | 1 / 03 |
| 12.4 | B 61 D | 27 / 00 |
| 12.5 - 12.6 | B 60 H | 1 / 02 |
| 12.5 - 12.6 | B 61 D | 27 / 00 |
| 12.7 | B 60 H | 1 / 06 |
| 12.7 | B 61 D | 27 / 00 |
| 12.8 | B 61 D | 27 / 00 |
| 13 | F 24 D | 5 / 00 |
| 14 - 15 | A 01 K | 31 / 20 |
| 14 - 15 | A 01 K | 41 / 02 |
| 16 - 18 | F 24 H | 3 / 06 |
| 19 | F 24 D | 3 / 08 |
| 19 | F 24 H | 1 / 22 |
| 28 | B 60 H | 1 / 00 |
| 28 | B 61 D | 27 / 00 |
| 29 - 33 | B 60 H | 1 / 22 |
| 34 - 36 | B 60 H | 1 / 22 |
| 34 - 36 | F 24 D | 3 / 00 |
| 37 - 39 | B 60 H | 1 / 22 |
| 37 - 39 | B 61 D | 27 / 00 |
| 40 - 41 | B 60 H | 1 / 22 |
| 40 - 41 | F 24 D | 1 / 00 |
| 42 - 43 | B 60 H | 1 / 22 |
| 42 - 43 | B 61 D | 27 / 00 |
| 44 | B 60 H | 1 / 20 |
| 44 | F 24 D | 11 / 00 |
| 45 | B 60 H | 1 / 22 |
| 46 - 49 | F 24 F | 7 / 00 |
| 50 - 53 | F 24 D | 5 / 00 |
| 54 - 55 | F 24 B | 7 / 00 |
| 56 - 62 | F 24 D | 3 / 00 |
| 63 - 64 | F 24 D | 3 / 02 |
| 65 | F 24 D | 3 / 00 |
| 66 | F 24 D | 3 / 10 |
| 67 - 68 | F 24 D | 1 / 00 |
| 69 | F 24 D | 5 / 10 |
| 69 | F 24 D | 19 / 02 |
| 69 | F 24 H | 9 / 06 |
| 70 - 74 | F 24 H | 3 / 00 |
| 75 | F 24 H | 7 / 00 |
| 76 - 77 | F 24 H | 3 / 00 |
| 78A | F 24 D | 19 / 00 |
| 78A | F 24 F | 6 / 04 |
| 78B | F 24 D | 19 / 00 |
| 78C - 78R | F 24 F | 3 / 14 |
| 78C - 78R | F 24 F | 5 / 00 |
| 79 | F 24 D | 19 / 06 |
| 80 | E 03 B | 7 / 10 |
| 81 | F 24 D | 1 / 00 |