Search

Joon H. Hwang

Supervisory Patent Examiner (ID: 13115, Phone: (571)272-4036 , Office: P/2447 )

Most Active Art Unit
2447
Art Unit(s)
2166, 2172, 2162, 2447
Total Applications
416
Issued Applications
149
Pending Applications
24
Abandoned Applications
242

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 11576266 [patent_doc_number] => 09631515 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-04-25 [patent_title] => 'Gas turbine with high-pressure turbine cooling system' [patent_app_type] => utility [patent_app_number] => 14/324621 [patent_app_country] => US [patent_app_date] => 2014-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2016 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14324621 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/324621
Gas turbine with high-pressure turbine cooling system Jul 6, 2014 Issued
Array ( [id] => 10974035 [patent_doc_number] => 20140377070 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-25 [patent_title] => 'Axial Turbomachine Compressor Drum with Dual Means of Blade Fixing' [patent_app_type] => utility [patent_app_number] => 14/315097 [patent_app_country] => US [patent_app_date] => 2014-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3771 [patent_no_of_claims] => 19 [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] => 14315097 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/315097
Axial Turbomachine Compressor Drum with Dual Means of Blade Fixing Jun 24, 2014 Abandoned
Array ( [id] => 11874221 [patent_doc_number] => 09745985 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-08-29 [patent_title] => 'Bushing structure and fan' [patent_app_type] => utility [patent_app_number] => 14/314375 [patent_app_country] => US [patent_app_date] => 2014-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 2674 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14314375 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/314375
Bushing structure and fan Jun 24, 2014 Issued
Array ( [id] => 9792026 [patent_doc_number] => 20150003970 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-01 [patent_title] => 'Sealing arrangement for a turbomachine, a guide vane arrangement, and a turbomachine with such a sealing arrangement' [patent_app_type] => utility [patent_app_number] => 14/312428 [patent_app_country] => US [patent_app_date] => 2014-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5336 [patent_no_of_claims] => 14 [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] => 14312428 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/312428
Sealing arrangement for a turbomachine, a guide vane arrangement, and a turbomachine with such a sealing arrangement Jun 22, 2014 Issued
Array ( [id] => 9857139 [patent_doc_number] => 20150037156 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-05 [patent_title] => 'IMPELLER FOR ELECTRIC BLOWER' [patent_app_type] => utility [patent_app_number] => 14/312270 [patent_app_country] => US [patent_app_date] => 2014-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6266 [patent_no_of_claims] => 18 [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] => 14312270 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/312270
IMPELLER FOR ELECTRIC BLOWER Jun 22, 2014 Abandoned
Array ( [id] => 14853661 [patent_doc_number] => 10415547 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-17 [patent_title] => 2-D fairing for a wind turbine tower [patent_app_type] => utility [patent_app_number] => 14/898085 [patent_app_country] => US [patent_app_date] => 2014-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 5251 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14898085 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/898085
2-D fairing for a wind turbine tower Jun 19, 2014 Issued
Array ( [id] => 10762583 [patent_doc_number] => 20160108736 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-21 [patent_title] => 'A TRIBRID WIND TURBINE BLADE' [patent_app_type] => utility [patent_app_number] => 14/895409 [patent_app_country] => US [patent_app_date] => 2014-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6261 [patent_no_of_claims] => 17 [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] => 14895409 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/895409
Tribrid wind turbine blade Jun 17, 2014 Issued
Array ( [id] => 11635758 [patent_doc_number] => 09657719 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-23 [patent_title] => 'Ventilation arrangement' [patent_app_type] => utility [patent_app_number] => 14/305112 [patent_app_country] => US [patent_app_date] => 2014-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3359 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14305112 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/305112
Ventilation arrangement Jun 15, 2014 Issued
Array ( [id] => 10966813 [patent_doc_number] => 20140369845 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-18 [patent_title] => 'WIND TURBINE BLADE WITH EXTENDED SHELL SECTION' [patent_app_type] => utility [patent_app_number] => 14/300920 [patent_app_country] => US [patent_app_date] => 2014-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8268 [patent_no_of_claims] => 17 [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] => 14300920 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/300920
WIND TURBINE BLADE WITH EXTENDED SHELL SECTION Jun 9, 2014 Abandoned
Array ( [id] => 10469345 [patent_doc_number] => 20150354361 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-10 [patent_title] => 'ROTOR ASSEMBLY AND METHOD OF MANUFACTURING THEREOF' [patent_app_type] => utility [patent_app_number] => 14/299411 [patent_app_country] => US [patent_app_date] => 2014-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2611 [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] => 14299411 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/299411
ROTOR ASSEMBLY AND METHOD OF MANUFACTURING THEREOF Jun 8, 2014 Abandoned
Array ( [id] => 11026019 [patent_doc_number] => 20160222974 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-08-04 [patent_title] => 'Stator Component of Vacuum Pump' [patent_app_type] => utility [patent_app_number] => 14/917772 [patent_app_country] => US [patent_app_date] => 2014-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3949 [patent_no_of_claims] => 19 [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] => 14917772 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/917772
Stator component of vacuum pump Jun 5, 2014 Issued
Array ( [id] => 10777016 [patent_doc_number] => 20160123172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-05 [patent_title] => 'PASSIVE CONTROL OF GAS TURBINE CLEARANCES USING CERAMIC MATRIX COMPOSITES INSERTS' [patent_app_type] => utility [patent_app_number] => 14/897823 [patent_app_country] => US [patent_app_date] => 2014-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 5927 [patent_no_of_claims] => 36 [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] => 14897823 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/897823
PASSIVE CONTROL OF GAS TURBINE CLEARANCES USING CERAMIC MATRIX COMPOSITES INSERTS Jun 3, 2014 Abandoned
Array ( [id] => 9908793 [patent_doc_number] => 20150063994 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-05 [patent_title] => 'SCROLL TONGUE PART AND ROTARY MACHINE INCLUDING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/293380 [patent_app_country] => US [patent_app_date] => 2014-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3131 [patent_no_of_claims] => 12 [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] => 14293380 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/293380
Scroll tongue part and rotary machine including the same Jun 1, 2014 Issued
Array ( [id] => 12087284 [patent_doc_number] => 09841004 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-12-12 [patent_title] => 'Yaw control system and yaw control method for wind turbine generator' [patent_app_type] => utility [patent_app_number] => 14/293518 [patent_app_country] => US [patent_app_date] => 2014-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 10204 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14293518 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/293518
Yaw control system and yaw control method for wind turbine generator Jun 1, 2014 Issued
Array ( [id] => 12528855 [patent_doc_number] => 10006467 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-06-26 [patent_title] => Assembly for a fluid flow machine [patent_app_type] => utility [patent_app_number] => 14/290200 [patent_app_country] => US [patent_app_date] => 2014-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 3722 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 456 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14290200 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/290200
Assembly for a fluid flow machine May 28, 2014 Issued
Array ( [id] => 11480975 [patent_doc_number] => 09587509 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-03-07 [patent_title] => 'Assembly for a fluid flow machine' [patent_app_type] => utility [patent_app_number] => 14/289318 [patent_app_country] => US [patent_app_date] => 2014-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4915 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14289318 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/289318
Assembly for a fluid flow machine May 27, 2014 Issued
Array ( [id] => 11597334 [patent_doc_number] => 09644488 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-09 [patent_title] => 'Turbine stage with a blow-out arrangement and method for blowing out a sealing gas flow' [patent_app_type] => utility [patent_app_number] => 14/286573 [patent_app_country] => US [patent_app_date] => 2014-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3004 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14286573 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/286573
Turbine stage with a blow-out arrangement and method for blowing out a sealing gas flow May 22, 2014 Issued
Array ( [id] => 13662507 [patent_doc_number] => 10161407 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-25 [patent_title] => Radial fastening of tubular synchronizing rings [patent_app_type] => utility [patent_app_number] => 14/893149 [patent_app_country] => US [patent_app_date] => 2014-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4398 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14893149 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/893149
Radial fastening of tubular synchronizing rings May 21, 2014 Issued
Array ( [id] => 10737958 [patent_doc_number] => 20160084109 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-24 [patent_title] => 'GAS TURBINE RING SEGMENT COOLING APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/890604 [patent_app_country] => US [patent_app_date] => 2014-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1987 [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] => 14890604 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/890604
Gas turbine ring segment cooling apparatus May 19, 2014 Issued
Array ( [id] => 10678815 [patent_doc_number] => 20160024960 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-28 [patent_title] => 'GAS TURBINE AND METHOD FOR OPERATING THE GAS TURBINE' [patent_app_type] => utility [patent_app_number] => 14/777319 [patent_app_country] => US [patent_app_date] => 2014-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3140 [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] => 14777319 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/777319
Gas turbine and method for operating the gas turbine Feb 19, 2014 Issued
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