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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES297ApriorityCriticalpatent/ES297A1/es
Publication of ES297A1publicationCriticalpatent/ES297A1/es
Un procedimiento de calefacción previa del aire, que alimenta la combustión de una pieza metálica, para hacer más intensos los efectos luminosos de aquellas.
Un aparato destinado para la producción del gas-rico, por medio de la descomposición por el calor de los aceites esquistosos, residuos de petróleo o cualquiera sustancia aceitosa.