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Class Information
Number: 91/224
Name: Motors: expansible chamber type > Cyclically operable > Distributor in piston (422) > Distributor establishes communication between opposite faces of piston
Description: Apparatus in which the distributor controls a passage in the piston which is adapted to convey fluid through a working face of the piston to a face which is axially opposed.
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Date Issued |
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| 6012377 |
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| 5806403 |
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| 5540136 |
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| 5513963 |
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| 5341723 |
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| 5275085 |
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| 5243897 |
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Sep. 14, 1993 |
| RE34301 |
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| 5209152 |
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| 5203251 |
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| 5197285 |
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| 5188518 |
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| 5137435 |
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| 5120202 |
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| 5065824 |
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| 5002468 |
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| 4955923 |
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| 4949622 |
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| 4895305 |
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| 4879943 |
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Nov. 14, 1989 |
| 4807321 |
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| 4756329 |
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| 4743171 |
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May. 10, 1988 |
| 4660658 |
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| 4587732 |
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May. 13, 1986 |
| 4544335 |
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| 4473340 |
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| 4450920 |
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May. 29, 1984 |
| 4354421 |
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Oct. 19, 1982 |
| 4352644 |
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| 4290489 |
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| 4286929 |
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Sep. 1, 1981 |
| 4165759 |
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Aug. 28, 1979 |
| 4127057 |
Reciprocating fluid stroke motors with automatic control |
Nov. 28, 1978 |
| 4118154 |
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Oct. 3, 1978 |
| 4096747 |
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