Search

Richard K. Chang

Examiner (ID: 15304, Phone: (571)270-3368 , Office: P/2464 )

Most Active Art Unit
2464
Art Unit(s)
2663, 2464, 2616
Total Applications
302
Issued Applications
252
Pending Applications
10
Abandoned Applications
46

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 10362240 [patent_doc_number] => 20150247245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-03 [patent_title] => 'PROTECTIVE COATING SYSTEMS FOR GAS TURBINE ENGINE APPLICATIONS AND METHODS FOR FABRICATING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/042323 [patent_app_country] => US [patent_app_date] => 2013-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3897 [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] => 14042323 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/042323
PROTECTIVE COATING SYSTEMS FOR GAS TURBINE ENGINE APPLICATIONS AND METHODS FOR FABRICATING THE SAME Sep 29, 2013 Abandoned
Array ( [id] => 10208248 [patent_doc_number] => 20150093237 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-02 [patent_title] => 'CERAMIC MATRIX COMPOSITE COMPONENT, TURBINE SYSTEM AND FABRICATION PROCESS' [patent_app_type] => utility [patent_app_number] => 14/041262 [patent_app_country] => US [patent_app_date] => 2013-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2818 [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] => 14041262 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/041262
CERAMIC MATRIX COMPOSITE COMPONENT, TURBINE SYSTEM AND FABRICATION PROCESS Sep 29, 2013 Abandoned
Array ( [id] => 10348338 [patent_doc_number] => 20150233343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-20 [patent_title] => 'ROTOR ASSEMBLY FOR A WIND TURBINE' [patent_app_type] => utility [patent_app_number] => 14/428662 [patent_app_country] => US [patent_app_date] => 2013-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5949 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [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] => 14428662 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/428662
Rotor assembly for a wind turbine Sep 22, 2013 Issued
Array ( [id] => 10367671 [patent_doc_number] => 20150252676 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-10 [patent_title] => 'SELECTION OF A PARTICULAR MATERIAL FOR STEAM TURBINE BLADES' [patent_app_type] => utility [patent_app_number] => 14/430673 [patent_app_country] => US [patent_app_date] => 2013-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2187 [patent_no_of_claims] => 16 [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] => 14430673 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/430673
SELECTION OF A PARTICULAR MATERIAL FOR STEAM TURBINE BLADES Sep 22, 2013 Abandoned
Array ( [id] => 12450072 [patent_doc_number] => 09982546 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-29 [patent_title] => Part to modify the profile of an aerodynamic jet [patent_app_type] => utility [patent_app_number] => 14/413508 [patent_app_country] => US [patent_app_date] => 2013-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3277 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14413508 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/413508
Part to modify the profile of an aerodynamic jet Jul 23, 2013 Issued
Array ( [id] => 10267746 [patent_doc_number] => 20150152743 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-04 [patent_title] => 'METHOD FOR MINIMIZING THE GAP BETWEEN A ROTOR AND A HOUSING' [patent_app_type] => utility [patent_app_number] => 14/416071 [patent_app_country] => US [patent_app_date] => 2013-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2535 [patent_no_of_claims] => 8 [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] => 14416071 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/416071
METHOD FOR MINIMIZING THE GAP BETWEEN A ROTOR AND A HOUSING Jul 14, 2013 Abandoned
Array ( [id] => 10974017 [patent_doc_number] => 20140377051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-25 [patent_title] => 'TURBOCHARGER' [patent_app_type] => utility [patent_app_number] => 13/926949 [patent_app_country] => US [patent_app_date] => 2013-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 8215 [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] => 13926949 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/926949
Turbocharger systems and method to prevent compressor choke Jun 24, 2013 Issued
Array ( [id] => 9211458 [patent_doc_number] => 20140010635 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-09 [patent_title] => 'FLUID INTAKE AND SYSTEM FOR ROTARY MACHINES' [patent_app_type] => utility [patent_app_number] => 13/926458 [patent_app_country] => US [patent_app_date] => 2013-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5407 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13926458 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/926458
Fluid intake and system for rotary machines Jun 24, 2013 Issued
Array ( [id] => 9204772 [patent_doc_number] => 20140003949 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-02 [patent_title] => 'INTERBLADE PLATFORM FOR A FAN, ROTOR OF A FAN AND ASSOCIATED MANUFACTURING METHOD' [patent_app_type] => utility [patent_app_number] => 13/926316 [patent_app_country] => US [patent_app_date] => 2013-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3300 [patent_no_of_claims] => 9 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13926316 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/926316
INTERBLADE PLATFORM FOR A FAN, ROTOR OF A FAN AND ASSOCIATED MANUFACTURING METHOD Jun 24, 2013 Abandoned
Array ( [id] => 10334102 [patent_doc_number] => 20150219106 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-06 [patent_title] => 'TURBO COMPRESSOR' [patent_app_type] => utility [patent_app_number] => 14/410510 [patent_app_country] => US [patent_app_date] => 2013-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2370 [patent_no_of_claims] => 13 [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] => 14410510 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/410510
TURBO COMPRESSOR Jun 24, 2013 Abandoned
Array ( [id] => 10974041 [patent_doc_number] => 20140377076 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-25 [patent_title] => 'JOINT ASSEMBLY AND METHOD OF FORMING THEREOF' [patent_app_type] => utility [patent_app_number] => 13/926377 [patent_app_country] => US [patent_app_date] => 2013-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3303 [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] => 13926377 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/926377
Joint assembly and method of forming thereof Jun 24, 2013 Issued
Array ( [id] => 9698434 [patent_doc_number] => 20140248119 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-04 [patent_title] => 'Bifurcated Inlet Scoop for Gas Turbine Engine' [patent_app_type] => utility [patent_app_number] => 13/926632 [patent_app_country] => US [patent_app_date] => 2013-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3413 [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] => 13926632 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/926632
Bifurcated inlet scoop for gas turbine engine Jun 24, 2013 Issued
Array ( [id] => 10274667 [patent_doc_number] => 20150159664 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-11 [patent_title] => 'COMPRESSOR COVER FOR TURBOCHARGERS' [patent_app_type] => utility [patent_app_number] => 14/405205 [patent_app_country] => US [patent_app_date] => 2013-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2776 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [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] => 14405205 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/405205
COMPRESSOR COVER FOR TURBOCHARGERS Jun 9, 2013 Abandoned
Array ( [id] => 10953137 [patent_doc_number] => 20140356158 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-04 [patent_title] => 'GAS TURBINE ENGINE VANE ASSEMBLY AND METHOD OF MOUNTING SAME' [patent_app_type] => utility [patent_app_number] => 13/903312 [patent_app_country] => US [patent_app_date] => 2013-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2623 [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] => 13903312 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/903312
Gas turbine engine vane assembly and method of mounting same May 27, 2013 Issued
Array ( [id] => 11344091 [patent_doc_number] => 09528493 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-12-27 [patent_title] => 'Apparatus to detect aerodynamic conditions of blades of wind turbines' [patent_app_type] => utility [patent_app_number] => 13/903019 [patent_app_country] => US [patent_app_date] => 2013-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2495 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13903019 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/903019
Apparatus to detect aerodynamic conditions of blades of wind turbines May 27, 2013 Issued
Array ( [id] => 10953140 [patent_doc_number] => 20140356161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-04 [patent_title] => 'METHOD TO INDIVIDUALLY OPTIMIZE RESPECTIVE PITCH ANGLES OF A PLURALITY OF BLADES IN A WIND TURBINE' [patent_app_type] => utility [patent_app_number] => 13/903180 [patent_app_country] => US [patent_app_date] => 2013-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3816 [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] => 13903180 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/903180
Method to individually optimize respective pitch angles of a plurality of blades in a wind turbine May 27, 2013 Issued
Array ( [id] => 11415617 [patent_doc_number] => 09562435 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-02-07 [patent_title] => 'Cellular wheel, in particular for a pressure wave supercharger' [patent_app_type] => utility [patent_app_number] => 13/903586 [patent_app_country] => US [patent_app_date] => 2013-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 28 [patent_no_of_words] => 8278 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13903586 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/903586
Cellular wheel, in particular for a pressure wave supercharger May 27, 2013 Issued
Array ( [id] => 10267883 [patent_doc_number] => 20150152880 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-04 [patent_title] => 'AIRPLANE TURBOJET FAN BLADE OF CAMBERED PROFILE IN ITS ROOT SECTIONS' [patent_app_type] => utility [patent_app_number] => 14/403003 [patent_app_country] => US [patent_app_date] => 2013-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2146 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [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] => 14403003 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/403003
Airplane turbojet fan blade of cambered profile in its root sections May 22, 2013 Issued
Array ( [id] => 9916578 [patent_doc_number] => 20150071783 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-12 [patent_title] => 'TURBINE BLADE' [patent_app_type] => utility [patent_app_number] => 14/388458 [patent_app_country] => US [patent_app_date] => 2013-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3753 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [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] => 14388458 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/388458
TURBINE BLADE Mar 27, 2013 Abandoned
Array ( [id] => 9811836 [patent_doc_number] => 20150023781 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-22 [patent_title] => 'STARTING DEVICE' [patent_app_type] => utility [patent_app_number] => 14/381861 [patent_app_country] => US [patent_app_date] => 2013-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8976 [patent_no_of_claims] => 13 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14381861 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/381861
Starting device Mar 26, 2013 Issued
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