子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 201 | Hot-air furnace. | US1905264760 | 1905-06-12 | US853153A | 1907-05-07 | BERGER JOHN L |
| 202 | Hot-air furnace. | US1905348291 | 1905-09-05 | US843104A | 1907-02-05 | ROEELL CORNELIS F A |
| 203 | Hot-air furnace. | US1905271272 | 1905-07-26 | US826441A | 1906-07-17 | OLDACRE CHARLES E |
| 204 | Hot-air furnace. | US1904203527 | 1904-04-16 | US816528A | 1906-03-27 | BOYCE ARTHUR |
| 205 | Caloric-engine heater. | US1904200474 | 1904-03-28 | US802440A | 1905-10-24 | AMMON IVAN WLADIMIROVITCH |
| 206 | Heating-furnace. | US1903161138 | 1903-06-12 | US802295A | 1905-10-17 | KERNAN FRANCIS |
| 207 | Hot-air stove or heater. | US1904196308 | 1904-03-03 | US798420A | 1905-08-29 | JUDELSON LOUIS |
| 208 | Hot-air surface. | US1904198839 | 1904-03-18 | US796492A | 1905-08-08 | BOWERS HARVEY |
| 209 | Heating apparatus. | US1904217778 | 1904-07-23 | US793569A | 1905-06-27 | DEMAREST JOHN |
| 210 | Furnace. | US1903153231 | 1903-04-18 | US783592A | 1905-02-28 | RILEY WILLIAM H |
| 211 | Heater. | US1904199803 | 1904-03-24 | US781500A | 1905-01-31 | DENSLOW WILLIAM H |
| 212 | Furnace. | US1903175117 | 1903-09-30 | US781388A | 1905-01-31 | BAKER LYMAN S |
| 213 | Hot-air furnace. | US1903166627 | 1903-07-22 | US767614A | 1904-08-16 | WARNER FREDERICK |
| 214 | Air-heating apparatus. | US1903160428 | 1903-06-06 | US761530A | 1904-05-31 | MUNSON GEORGE A |
| 215 | Hot-air furnace. | US1901127187 | 1901-06-07 | US759235A | 1904-05-10 | BRUNER PRESTON M |
| 216 | Stove or furnace. | US1903168429 | 1903-08-06 | US758051A | 1904-04-26 | CROWNER JAMES M; CROWNER STATES R |
| 217 | Furnace | US753250D | US753250A | 1904-03-01 | ||
| 218 | Hot-air furnace | US751136D | US751136A | 1904-02-02 | ||
| 219 | Hot-air furnace | US750114D | US750114A | 1904-01-19 | ||
| 220 | Stove or apparatus for heating air. | US1903152145 | 1903-04-11 | US746682A | 1903-12-15 | DAVIDSON SAMUEL CLELAND |
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