Mang Hang Yeung

Array ( [id] => 8820805 [patent_doc_number] => 20130121850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-16 [patent_title] => 'Rotary Energy Recovery Device' [patent_app_type] => utility [patent_app_number] => 13/518850 [patent_app_country] => US [patent_app_date] => 2010-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6244 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13518850 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 5403386 [patent_doc_number] => 20090238700 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-09-24 [patent_title] => 'EQUIPMENT FOR CONTINUOUS REGULATION OF THE FLOW RATE OF RECIPROCATING COMPRESSORS' [patent_app_type] => utility [patent_app_number] => 12/306323 [patent_app_country] => US [patent_app_date] => 2007-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3191 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0238/20090238700.pdf [firstpage_image] =>[orig_patent_app_number] => 12306323 [rel_patent_id] =>[rel_patent_doc_number] =>)