The trustees appointed as aforesaid shall be deemed to be vested with all the estate and property of the insolvent, at the time of filing his petition, subject to all liens by mortgage, judgment, or otherwise, existing at that date, and it shall be their duty to take the same into possession, and all books, vouchers, and papers relating to the same, and shall be capable of suing for and recovering, in their own names, all such estate and property, and all debts and things in action belonging or appertaining to such insolvent at the time of his petition, as aforesaid.
39 P.S. § 274