Hoi Ching Lau

Array ( [id] => 17504061 [patent_doc_number] => 20220097163 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => METHOD FOR MONITORING WELDING OF ELECTRIC RESISTANCE WELDED STEEL PIPE, METHOD FOR MANUFACTURING ELECTRIC RESISTANCE WELDED STEEL PIPE, DEVICE FOR MONITORING WELDING OF ELECTRIC RESISTANCE WELDED STEEL PIPE, AND DEVICE FOR MANUFACTURING ELECTRIC RESISTANCE WELDED STEEL PIPE [patent_app_type] => utility [patent_app_number] => 17/422542 [patent_app_country] => US [patent_app_date] => 2020-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14451 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17422542 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17656025 [patent_doc_number] => 20220176490 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => METHOD FOR MANUFACTURING EQUAL-STRENGTH STEEL THIN-WALL WELDING COMPONENT WITH ALUMINUM OR ALUMINUM ALLOY PLATING [patent_app_type] => utility [patent_app_number] => 17/442920 [patent_app_country] => US [patent_app_date] => 2020-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7612 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17442920 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16539997 [patent_doc_number] => 20200406410 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => UNIVERSAL INTERCHANGEABLE PLATE SYSTEM FOR TOOL HEAD ASSEMBLIES [patent_app_type] => utility [patent_app_number] => 16/811607 [patent_app_country] => US [patent_app_date] => 2020-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7830 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16811607 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18641151 [patent_doc_number] => 11765794 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Portable heating apparatus with temperature-retaining component [patent_app_type] => utility [patent_app_number] => 16/804992 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 27 [patent_no_of_words] => 3444 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16804992 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20212870 [patent_doc_number] => 12409507 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Expulsion detection method in electric resistance welding and apparatus therefor [patent_app_type] => utility [patent_app_number] => 17/433025 [patent_app_country] => US [patent_app_date] => 2020-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 17433025 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17461291 [patent_doc_number] => 20220074596 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => MULTI PLANAR HEATER ELEMENT FOR USE IN A HIGH-SPEED OVEN INCORPORATING A NOVEL TENSIONING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/419852 [patent_app_country] => US [patent_app_date] => 2020-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7025 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17419852 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17594162 [patent_doc_number] => 20220143735 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => WELDING TORCH [patent_app_type] => utility [patent_app_number] => 17/428066 [patent_app_country] => US [patent_app_date] => 2020-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5316 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17428066 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16597772 [patent_doc_number] => 20210024303 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => MODULAR LOADING AND UNLOADING SYSTEM AND PROCESS [patent_app_type] => utility [patent_app_number] => 16/780039 [patent_app_country] => US [patent_app_date] => 2020-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10785 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16780039 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17504851 [patent_doc_number] => 20220097953 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => CAPSULE FOR INFUSION PRODUCTS [patent_app_type] => utility [patent_app_number] => 17/425593 [patent_app_country] => US [patent_app_date] => 2020-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3187 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17425593 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17974271 [patent_doc_number] => 11491108 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-08 [patent_title] => Brewing apparatus having a pharmaceutical, holistic or medicinal treated brewing screen or filter [patent_app_type] => utility [patent_app_number] => 16/747907 [patent_app_country] => US [patent_app_date] => 2020-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5506 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16747907 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17502566 [patent_doc_number] => 20220095668 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => ROASTING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/425464 [patent_app_country] => US [patent_app_date] => 2020-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3307 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17425464 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 15829621 [patent_doc_number] => 20200130092 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-30 [patent_title] => Welding Power Supply With Half Bridge [patent_app_type] => utility [patent_app_number] => 16/725809 [patent_app_country] => US [patent_app_date] => 2019-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7173 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16725809 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17341555 [patent_doc_number] => 20220007886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => Rotisserie Oven, Method Carried Out by a Control System of a Rotisserie Oven, and Computer Program [patent_app_type] => utility [patent_app_number] => 17/299125 [patent_app_country] => US [patent_app_date] => 2019-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5102 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17299125 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17519739 [patent_doc_number] => 20220105587 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => COOLING DEVICE [patent_app_type] => utility [patent_app_number] => 17/312294 [patent_app_country] => US [patent_app_date] => 2019-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5210 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17312294 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16984260 [patent_doc_number] => 11071408 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-07-27 [patent_title] => Skewer rack assembly [patent_app_type] => utility [patent_app_number] => 16/698492 [patent_app_country] => US [patent_app_date] => 2019-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 18 [patent_no_of_words] => 1910 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16698492 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17342697 [patent_doc_number] => 20220009028 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => METHOD FOR FABRICATING NANOSTRUCTURED OPTICAL ELEMENTS USING POLARISED LIGHT [patent_app_type] => utility [patent_app_number] => 17/297102 [patent_app_country] => US [patent_app_date] => 2019-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11283 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17297102 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17399033 [patent_doc_number] => 20220041123 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => MULTI-LAYER MOTOR VEHICLE EXTERIOR PART COMPRISING A HEATING ELEMENT [patent_app_type] => utility [patent_app_number] => 17/294306 [patent_app_country] => US [patent_app_date] => 2019-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3027 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17294306 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 15929093 [patent_doc_number] => 20200156180 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => SINGLE-SIDED WELDING HEAD [patent_app_type] => utility [patent_app_number] => 16/682478 [patent_app_country] => US [patent_app_date] => 2019-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2621 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16682478 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18232485 [patent_doc_number] => 11597029 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-07 [patent_title] => Wire spool gun [patent_app_type] => utility [patent_app_number] => 16/678272 [patent_app_country] => US [patent_app_date] => 2019-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 8682 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16678272 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18525061 [patent_doc_number] => 11712038 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => Breath-powered scent distribution hunting mask [patent_app_type] => utility [patent_app_number] => 16/678939 [patent_app_country] => US [patent_app_date] => 2019-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 43 [patent_no_of_words] => 8360 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16678939 [rel_patent_id] =>[rel_patent_doc_number] =>)