Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
William Doxford and Sons Engineers Ltd
Original Assignee
William Doxford and Sons Engineers Ltd
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Filing date
Publication date
Application filed by William Doxford and Sons Engineers LtdfiledCriticalWilliam Doxford and Sons Engineers Ltd
Priority to ES0230519ApriorityCriticalpatent/ES230519A1/en
Publication of ES230519A1publicationCriticalpatent/ES230519A1/en
Improvements in pumps and piston engines and the like, characterized in that they have the common center of curvature of the spherical surfaces housed between the separated surfaces. (Machine-translation by Google Translate, not legally binding)
ES0230519A1956-08-231956-08-23Improvements in piston and similar pumps and engines (Machine-translation by Google Translate, not legally binding)
ExpiredES230519A1
(en)