Search

Duc Chi Ho

Examiner (ID: 10435, Phone: (571)272-3147 , Office: P/2465 )

Most Active Art Unit
2465
Art Unit(s)
2665, 2616, 2619, 2662, 2465, 2419, 2738, 3728
Total Applications
2488
Issued Applications
2199
Pending Applications
192
Abandoned Applications
138

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 14878877 [patent_doc_number] => 20190289680 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-19 [patent_title] => POWER CONVERSION APPARATUS AND POWER CONVERSION METHOD [patent_app_type] => utility [patent_app_number] => 16/395490 [patent_app_country] => US [patent_app_date] => 2019-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6958 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16395490 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/395490
Power conversion apparatus and power conversion method Apr 25, 2019 Issued
Array ( [id] => 16769292 [patent_doc_number] => 10980371 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-20 [patent_title] => Conveyor toaster for toasting a customized pattern of brownness on bread [patent_app_type] => utility [patent_app_number] => 16/395374 [patent_app_country] => US [patent_app_date] => 2019-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 4609 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [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] => 16395374 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/395374
Conveyor toaster for toasting a customized pattern of brownness on bread Apr 25, 2019 Issued
Array ( [id] => 16992952 [patent_doc_number] => 20210231372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => ELECTRIC POWER METHOD FOR AN ELECTRIC FURNACE AND CORRESPONDING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/050831 [patent_app_country] => US [patent_app_date] => 2019-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5345 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17050831 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/050831
Electric power method for an electric furnace and corresponding apparatus Apr 23, 2019 Issued
Array ( [id] => 17635886 [patent_doc_number] => 11346605 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-31 [patent_title] => Melting method in an electric arc furnace and corresponding apparatus [patent_app_type] => utility [patent_app_number] => 17/050834 [patent_app_country] => US [patent_app_date] => 2019-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 5198 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17050834 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/050834
Melting method in an electric arc furnace and corresponding apparatus Apr 23, 2019 Issued
Array ( [id] => 15003101 [patent_doc_number] => 20190320508 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-17 [patent_title] => MICROWAVE HEATING OF BORON STEEL BLANKS PRIOR TO THE HOT-STAMPING PROCESS [patent_app_type] => utility [patent_app_number] => 16/386922 [patent_app_country] => US [patent_app_date] => 2019-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2941 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16386922 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/386922
MICROWAVE HEATING OF BORON STEEL BLANKS PRIOR TO THE HOT-STAMPING PROCESS Apr 16, 2019 Abandoned
Array ( [id] => 16388970 [patent_doc_number] => 20200329911 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-22 [patent_title] => Toaster With Mechanical Delay Shut-Off Mechanism [patent_app_type] => utility [patent_app_number] => 16/385820 [patent_app_country] => US [patent_app_date] => 2019-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16385820 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/385820
Toaster with mechanical delay shut-off mechanism Apr 15, 2019 Issued
Array ( [id] => 14995775 [patent_doc_number] => 20190316845 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-17 [patent_title] => INDUCTION HEATING LINE BILLET PUSHOUT SYSTEM AND METHOD WITH JOINTED PUSH ROD ASSEMBLY [patent_app_type] => utility [patent_app_number] => 16/381607 [patent_app_country] => US [patent_app_date] => 2019-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7509 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16381607 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/381607
Induction heating line billet pushout system and method with jointed push rod assembly Apr 10, 2019 Issued
Array ( [id] => 16614584 [patent_doc_number] => 20210033237 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => JOINT CONNECTION METHOD FOR LONG PIPE, AND METHOD FOR PRODUCING COILED TUBING WITH JOINTS [patent_app_type] => utility [patent_app_number] => 17/045888 [patent_app_country] => US [patent_app_date] => 2019-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13767 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17045888 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/045888
Joint connection method for long pipe, and method for producing coiled tubing with joints Apr 9, 2019 Issued
Array ( [id] => 14651923 [patent_doc_number] => 20190233090 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-01 [patent_title] => AERODYNAMIC NOISE REDUCING THIN-SKIN LANDING GEAR STRUCTURE [patent_app_type] => utility [patent_app_number] => 16/378934 [patent_app_country] => US [patent_app_date] => 2019-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16378934 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/378934
Aerodynamic noise reducing thin-skin landing gear structure Apr 8, 2019 Issued
Array ( [id] => 17684738 [patent_doc_number] => 11369011 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-21 [patent_title] => High-frequency heating device [patent_app_type] => utility [patent_app_number] => 17/058353 [patent_app_country] => US [patent_app_date] => 2019-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 20 [patent_no_of_words] => 11814 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17058353 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/058353
High-frequency heating device Apr 2, 2019 Issued
Array ( [id] => 16822022 [patent_doc_number] => 20210137315 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => HANDLING OF FOOD PROCESSOR [patent_app_type] => utility [patent_app_number] => 17/042280 [patent_app_country] => US [patent_app_date] => 2019-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5878 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17042280 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/042280
Handling of food processor Mar 27, 2019 Issued
Array ( [id] => 17411879 [patent_doc_number] => 11252791 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-15 [patent_title] => Controller and home appliance having automatic opening structure [patent_app_type] => utility [patent_app_number] => 16/365019 [patent_app_country] => US [patent_app_date] => 2019-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 22 [patent_no_of_words] => 22918 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16365019 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/365019
Controller and home appliance having automatic opening structure Mar 25, 2019 Issued
Array ( [id] => 16326197 [patent_doc_number] => 20200297162 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => APPARATUS FOR COOKING FOOD [patent_app_type] => utility [patent_app_number] => 16/360533 [patent_app_country] => US [patent_app_date] => 2019-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2180 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16360533 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/360533
APPARATUS FOR COOKING FOOD Mar 20, 2019 Abandoned
Array ( [id] => 14648023 [patent_doc_number] => 20190231140 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-01 [patent_title] => COOKING DEVICE AND COMPONENTS THEREOF [patent_app_type] => utility [patent_app_number] => 16/357277 [patent_app_country] => US [patent_app_date] => 2019-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10594 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16357277 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/357277
Cooking device and components thereof Mar 17, 2019 Issued
Array ( [id] => 14848843 [patent_doc_number] => 10413122 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-17 [patent_title] => Cooking device and components thereof [patent_app_type] => utility [patent_app_number] => 16/357279 [patent_app_country] => US [patent_app_date] => 2019-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 34 [patent_no_of_words] => 10866 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16357279 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/357279
Cooking device and components thereof Mar 17, 2019 Issued
Array ( [id] => 17034468 [patent_doc_number] => 20210251426 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => FILTER PAN DETECTION AND FLUID SENSOR SYSTEM [patent_app_type] => utility [patent_app_number] => 16/980941 [patent_app_country] => US [patent_app_date] => 2019-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5229 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16980941 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/980941
Filter pan detection and fluid sensor system Mar 14, 2019 Issued
Array ( [id] => 18217033 [patent_doc_number] => 11591959 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Generator air gap heater [patent_app_type] => utility [patent_app_number] => 16/299212 [patent_app_country] => US [patent_app_date] => 2019-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 6146 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16299212 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/299212
Generator air gap heater Mar 11, 2019 Issued
Array ( [id] => 14907837 [patent_doc_number] => 20190297684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => FLUID HEATING COMPONENT, FLUID HEATING COMPONENT COMPLEX, AND MANUFACTURING METHOD OF FLUID HEATING COMPONENT [patent_app_type] => utility [patent_app_number] => 16/296765 [patent_app_country] => US [patent_app_date] => 2019-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13214 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16296765 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/296765
Fluid heating component, fluid heating component complex, and manufacturing method of fluid heating component Mar 7, 2019 Issued
Array ( [id] => 14907835 [patent_doc_number] => 20190297683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => FLUID HEATING COMPONENT, AND FLUID HEATING COMPONENT COMPLEX [patent_app_type] => utility [patent_app_number] => 16/296734 [patent_app_country] => US [patent_app_date] => 2019-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8535 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16296734 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/296734
Fluid heating component, and fluid heating component complex Mar 7, 2019 Issued
Array ( [id] => 16524554 [patent_doc_number] => 20200398634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => HEAT EXCHANGER WITH INTEGRATED ELECTRICAL HEATING ELEMENT [patent_app_type] => utility [patent_app_number] => 16/977796 [patent_app_country] => US [patent_app_date] => 2019-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15891 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 16977796 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/977796
Heat exchanger with integrated electrical heating element Mar 6, 2019 Issued
Menu