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 |
|---|---|---|---|---|---|---|
| 221 | Rotary nut-cracking machine having reciprocatory jaws | US78900447 | 1947-12-01 | US2549881A | 1951-04-24 | BERG LOUIS B; MARTIN JOHN E |
| 222 | Nut-shelling machine | US59326545 | 1945-05-11 | US2454660A | 1948-11-23 | LEONARD EVERETT P |
| 223 | Reciprocating jaw nut-cracking machine | US53761744 | 1944-05-27 | US2432652A | 1947-12-16 | BLACKBURN ERNEST C; BLACKBURN ERNEST S |
| 224 | Method for dehusking carob beans | US43177042 | 1942-02-20 | US2326868A | 1943-08-17 | AMEDEE LANTZ LOUIS; WADIM ROMAN |
| 225 | Nut cracking machine | US41915641 | 1941-11-14 | US2321795A | 1943-06-15 | BUCKMAN HERBERT S |
| 226 | Nut-cracking apparatus | US36166840 | 1940-10-18 | US2319757A | 1943-05-18 | VIGNEAU EMILE N |
| 227 | Nut cracking apparatus | US29827139 | 1939-10-06 | US2265588A | 1941-12-09 | WALKER JAMES B |
| 228 | Method of shelling nuts | US24212838 | 1938-11-25 | US2248367A | 1941-07-08 | LOW ARTHUR B |
| 229 | Nut cracking machine | US23817838 | 1938-11-01 | US2230790A | 1941-02-04 | FRANCIS ANDERSON ARTHUR |
| 230 | Nut-cracking machine | US24785638 | 1938-12-27 | US2209606A | 1940-07-30 | MEYER LEO J |
| 231 | Machine for operating upon nuts | US12502037 | 1937-02-10 | US2183080A | 1939-12-12 | LLOYD ALFRED J; LLOYD CYRUS W |
| 232 | Automatic nut cracking machine | US1936235 | 1935-05-02 | US2138942A | 1938-12-06 | RUGGLES HENRY F |
| 233 | Nut shelling machine | US8733236 | 1936-06-26 | US2129679A | 1938-09-13 | PAUL DRAGON |
| 234 | Nut cracking machine | US12394137 | 1937-02-03 | US2089544A | 1937-08-10 | DENISON GEORGE P |
| 235 | Apparatus for cracking nuts | US74423834 | 1934-09-15 | US2065376A | 1936-12-22 | KIDD JEROME F |
| 236 | Multiple nut cracking machine | US72555534 | 1934-05-14 | US2022356A | 1935-11-26 | SAM MARGHITAN |
| 237 | Nut shelling machine | US66268633 | 1933-03-25 | US1994906A | 1935-03-19 | BURGIN WILLIAM D |
| 238 | Nut shelling machine | US64561332 | 1932-12-03 | US1983441A | 1934-12-04 | DOWLING DEMPSEY L |
| 239 | Means for cracking nuts | US25057228 | 1928-01-30 | US1787746A | 1931-01-06 | FRANK HAYES |
| 240 | Feeding mechanism for nut-cracking machines | US26917428 | 1928-04-11 | US1761822A | 1930-06-03 | WILLIAM GEBHARDT |
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