David S. Luo

Array ( [id] => 20600706 [patent_doc_number] => 20260078713 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-19 [patent_title] => INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 19/397289 [patent_app_country] => US [patent_app_date] => 2025-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26957 [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] => 19397289 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20459922 [patent_doc_number] => 20260009346 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-08 [patent_title] => INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 19/327900 [patent_app_country] => US [patent_app_date] => 2025-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 42322 [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] => 19327900 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20459926 [patent_doc_number] => 20260009350 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-08 [patent_title] => Piston System For a Compression Engine [patent_app_type] => utility [patent_app_number] => 19/277054 [patent_app_country] => US [patent_app_date] => 2025-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19277054 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20473765 [patent_doc_number] => 20260015984 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-15 [patent_title] => CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 19/089182 [patent_app_country] => US [patent_app_date] => 2025-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19089182 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20486450 [patent_doc_number] => 20260022648 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-22 [patent_title] => INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 19/072028 [patent_app_country] => US [patent_app_date] => 2025-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1182 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19072028 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20280222 [patent_doc_number] => 20250305464 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => ENGINE SYSTEM WITH COMBUSTION CONTROL FOR REDUCING COMBUSTION VARIATIONS [patent_app_type] => utility [patent_app_number] => 19/053990 [patent_app_country] => US [patent_app_date] => 2025-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3394 [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] => 19053990 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20041749 [patent_doc_number] => 20250179971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => INTERNAL COMBUSTION ENGINE WITH MEANS FOR CONDENSATION FLUID REMOVAL [patent_app_type] => utility [patent_app_number] => 19/050829 [patent_app_country] => US [patent_app_date] => 2025-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19050829 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20041757 [patent_doc_number] => 20250179979 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => OFF-ROAD VEHICLE [patent_app_type] => utility [patent_app_number] => 19/042042 [patent_app_country] => US [patent_app_date] => 2025-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16642 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19042042 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20136753 [patent_doc_number] => 20250243797 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => DRAINAGE STRUCTURE FOR COOLING WATER [patent_app_type] => utility [patent_app_number] => 19/018709 [patent_app_country] => US [patent_app_date] => 2025-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19018709 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20701965 [patent_doc_number] => 12624667 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Control device for hydrogen engine [patent_app_type] => utility [patent_app_number] => 19/001449 [patent_app_country] => US [patent_app_date] => 2024-12-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [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] => 19001449 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19890929 [patent_doc_number] => 20250116241 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => CYLINDER HEAD OFFSET CHAMFER DESIGN [patent_app_type] => utility [patent_app_number] => 18/982090 [patent_app_country] => US [patent_app_date] => 2024-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4943 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18982090 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20069304 [patent_doc_number] => 20250207526 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => TRANSMISSION DEVICE FOR DRIVING A FAN OF A COOLING CIRCUIT OF AN INTERNAL COMBUSTION ENGINE, ASSOCIATED COOLING CIRCUIT, AND VEHICLE [patent_app_type] => utility [patent_app_number] => 18/982412 [patent_app_country] => US [patent_app_date] => 2024-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18982412 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20151111 [patent_doc_number] => 20250250949 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => CONTROL DEVICE FOR VEHICLE [patent_app_type] => utility [patent_app_number] => 18/975101 [patent_app_country] => US [patent_app_date] => 2024-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 18975101 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20701971 [patent_doc_number] => 12624673 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Ammonia-fueled engine based on oxygen enhancement and ammonia-rich combustion control method thereof [patent_app_type] => utility [patent_app_number] => 18/965679 [patent_app_country] => US [patent_app_date] => 2024-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [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] => 18965679 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20050674 [patent_doc_number] => 20250188896 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => FUEL VAPOR PROCESSING DEVICE AND COMPONENT UNIT [patent_app_type] => utility [patent_app_number] => 18/952491 [patent_app_country] => US [patent_app_date] => 2024-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18952491 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20373028 [patent_doc_number] => 12480457 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Internal combustion engine [patent_app_type] => utility [patent_app_number] => 18/944863 [patent_app_country] => US [patent_app_date] => 2024-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 54 [patent_figures_cnt] => 102 [patent_no_of_words] => 26943 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18944863 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20241566 [patent_doc_number] => 12421875 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Internal combustion engine [patent_app_type] => utility [patent_app_number] => 18/940487 [patent_app_country] => US [patent_app_date] => 2024-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 58 [patent_figures_cnt] => 91 [patent_no_of_words] => 42325 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [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] => 18940487 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20008243 [patent_doc_number] => 20250146465 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => ADAPTIVE SPARK ENERGY CONTROL [patent_app_type] => utility [patent_app_number] => 18/938659 [patent_app_country] => US [patent_app_date] => 2024-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18938659 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20025656 [patent_doc_number] => 20250163878 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => PREDICTIVE ENGINE STOP-START BASED ON CLUTCH ENERGY [patent_app_type] => utility [patent_app_number] => 18/932978 [patent_app_country] => US [patent_app_date] => 2024-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6159 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18932978 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20016671 [patent_doc_number] => 20250154893 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => INTERNAL COMBUSTION ENGINE AND PURIFICATION DEVICE [patent_app_type] => utility [patent_app_number] => 18/930207 [patent_app_country] => US [patent_app_date] => 2024-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18930207 [rel_patent_id] =>[rel_patent_doc_number] =>)