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] => 11837050 [patent_doc_number] => 20170218770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-03 [patent_title] => 'System and Method for Cooling a Fluidized Catalytic Cracking Expander' [patent_app_type] => utility [patent_app_number] => 15/423226 [patent_app_country] => US [patent_app_date] => 2017-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6828 [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] => 15423226 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/423226
System and method for cooling a fluidized catalytic cracking expander Feb 1, 2017 Issued
Array ( [id] => 13301849 [patent_doc_number] => 20180202461 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-19 [patent_title] => TWO-PIECE MULTI-SURFACE WEAR LINER [patent_app_type] => utility [patent_app_number] => 15/409677 [patent_app_country] => US [patent_app_date] => 2017-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7122 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15409677 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/409677
Two-piece multi-surface wear liner Jan 18, 2017 Issued
Array ( [id] => 16787020 [patent_doc_number] => 10989440 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-27 [patent_title] => Air-conditioning apparatus [patent_app_type] => utility [patent_app_number] => 16/333806 [patent_app_country] => US [patent_app_date] => 2016-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 5312 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16333806 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/333806
Air-conditioning apparatus Dec 18, 2016 Issued
Array ( [id] => 13623911 [patent_doc_number] => 20180363507 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-20 [patent_title] => TURBINE RING ASSEMBLY WITH SUPPORT WHEN COLD AND WHEN HOT [patent_app_type] => utility [patent_app_number] => 16/063050 [patent_app_country] => US [patent_app_date] => 2016-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3354 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16063050 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/063050
Turbine ring assembly with support when cold and when hot Dec 13, 2016 Issued
Array ( [id] => 15950139 [patent_doc_number] => 10662966 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-26 [patent_title] => Blower housing labyrinth seal [patent_app_type] => utility [patent_app_number] => 15/368003 [patent_app_country] => US [patent_app_date] => 2016-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7475 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15368003 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/368003
Blower housing labyrinth seal Dec 1, 2016 Issued
Array ( [id] => 14949567 [patent_doc_number] => 10436044 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-08 [patent_title] => Guide vane segment for a turbomachine [patent_app_type] => utility [patent_app_number] => 15/367657 [patent_app_country] => US [patent_app_date] => 2016-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4764 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15367657 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/367657
Guide vane segment for a turbomachine Dec 1, 2016 Issued
Array ( [id] => 16956678 [patent_doc_number] => 11060527 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-13 [patent_title] => Thrust ring and rotor fan system with passive leading edge slats [patent_app_type] => utility [patent_app_number] => 15/337936 [patent_app_country] => US [patent_app_date] => 2016-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 2373 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15337936 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/337936
Thrust ring and rotor fan system with passive leading edge slats Oct 27, 2016 Issued
Array ( [id] => 13445657 [patent_doc_number] => 20180274371 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => BLADE, GAS TURBINE EQUIPPED WITH SAME, AND BLADE MANUFACTURING METHOD [patent_app_type] => utility [patent_app_number] => 15/763245 [patent_app_country] => US [patent_app_date] => 2016-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14394 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15763245 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/763245
Blade, gas turbine equipped with same, and blade manufacturing method Oct 18, 2016 Issued
Array ( [id] => 11402305 [patent_doc_number] => 20170022843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-01-26 [patent_title] => 'TURBINE VENTILATION STRUCTURE' [patent_app_type] => utility [patent_app_number] => 15/285910 [patent_app_country] => US [patent_app_date] => 2016-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4283 [patent_no_of_claims] => 5 [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] => 15285910 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/285910
Turbine ventilation structure Oct 4, 2016 Issued
Array ( [id] => 12608424 [patent_doc_number] => 20180094638 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-05 [patent_title] => INTEGRALLY BLADED FAN ROTOR [patent_app_type] => utility [patent_app_number] => 15/286078 [patent_app_country] => US [patent_app_date] => 2016-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4071 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15286078 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/286078
Integrally bladed fan rotor Oct 4, 2016 Issued
Array ( [id] => 13508985 [patent_doc_number] => 20180306035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-25 [patent_title] => BLADE COMPRISING A TRAILING EDGE HAVING THREE DISTINCT COOLING REGIONS [patent_app_type] => utility [patent_app_number] => 15/765334 [patent_app_country] => US [patent_app_date] => 2016-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3029 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15765334 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/765334
Blade comprising a trailing edge having three distinct cooling regions Oct 3, 2016 Issued
Array ( [id] => 14822447 [patent_doc_number] => 10408221 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-10 [patent_title] => Turbocharger [patent_app_type] => utility [patent_app_number] => 15/269068 [patent_app_country] => US [patent_app_date] => 2016-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4659 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15269068 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/269068
Turbocharger Sep 18, 2016 Issued
Array ( [id] => 15469665 [patent_doc_number] => 10550698 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-04 [patent_title] => Turbine [patent_app_type] => utility [patent_app_number] => 15/259218 [patent_app_country] => US [patent_app_date] => 2016-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 7718 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15259218 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/259218
Turbine Sep 7, 2016 Issued
Array ( [id] => 14664447 [patent_doc_number] => 10370111 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-06 [patent_title] => Hidden thrust reverser blocker door link arm fitting [patent_app_type] => utility [patent_app_number] => 15/258927 [patent_app_country] => US [patent_app_date] => 2016-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 4892 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15258927 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/258927
Hidden thrust reverser blocker door link arm fitting Sep 6, 2016 Issued
Array ( [id] => 14822449 [patent_doc_number] => 10408222 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-10 [patent_title] => Cooling fan assembly [patent_app_type] => utility [patent_app_number] => 15/258912 [patent_app_country] => US [patent_app_date] => 2016-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3074 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15258912 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/258912
Cooling fan assembly Sep 6, 2016 Issued
Array ( [id] => 11555763 [patent_doc_number] => 20170102009 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-13 [patent_title] => 'Metal-to-Metal Sealing for Diffusers Of An Electrical Submersible Well Pump' [patent_app_type] => utility [patent_app_number] => 15/258930 [patent_app_country] => US [patent_app_date] => 2016-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3791 [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] => 15258930 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/258930
Metal-to-metal sealing for diffusers of an electrical submersible well pump Sep 6, 2016 Issued
Array ( [id] => 15421981 [patent_doc_number] => 10543901 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-28 [patent_title] => System and method for controlling propeller pitch [patent_app_type] => utility [patent_app_number] => 15/251294 [patent_app_country] => US [patent_app_date] => 2016-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4877 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15251294 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/251294
System and method for controlling propeller pitch Aug 29, 2016 Issued
Array ( [id] => 12220062 [patent_doc_number] => 20180058422 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-01 [patent_title] => 'PRE-CURED ROTOR BLADE COMPONENTS HAVING AREAS OF VARIABLE STIFFNESS' [patent_app_type] => utility [patent_app_number] => 15/251048 [patent_app_country] => US [patent_app_date] => 2016-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4502 [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] => 15251048 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/251048
Pre-cured rotor blade components having areas of variable stiffness Aug 29, 2016 Issued
Array ( [id] => 12186285 [patent_doc_number] => 20180045221 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-15 [patent_title] => 'STRUT FOR AN AIRCRAFT ENGINE' [patent_app_type] => utility [patent_app_number] => 15/236745 [patent_app_country] => US [patent_app_date] => 2016-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5238 [patent_no_of_claims] => 20 [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] => 15236745 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/236745
STRUT FOR AN AIRCRAFT ENGINE Aug 14, 2016 Abandoned
Array ( [id] => 15072085 [patent_doc_number] => 10465520 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-05 [patent_title] => Blade with corrugated outer surface(s) [patent_app_type] => utility [patent_app_number] => 15/217012 [patent_app_country] => US [patent_app_date] => 2016-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 5274 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15217012 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/217012
Blade with corrugated outer surface(s) Jul 21, 2016 Issued
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