Search

Duane Smith

Supervisory Patent Examiner (ID: 26, Phone: (571)272-1166 , Office: P/1776 )

Most Active Art Unit
1724
Art Unit(s)
1737, 1724, 1776, 1700, 1797, 1759, 1305, 3621
Total Applications
1362
Issued Applications
1009
Pending Applications
145
Abandoned Applications
216

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20008547 [patent_doc_number] => 20250146769 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => RELATING TO RADIATOR GUARDS [patent_app_type] => utility [patent_app_number] => 18/918986 [patent_app_country] => US [patent_app_date] => 2024-10-17 [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] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18918986 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/918986
RELATING TO RADIATOR GUARDS Oct 16, 2024 Pending
Array ( [id] => 19999205 [patent_doc_number] => 20250137427 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => COUPLING ROTATING WHEELS TO ENGINE FOR ENGINE RESTART [patent_app_type] => utility [patent_app_number] => 18/910713 [patent_app_country] => US [patent_app_date] => 2024-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1126 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18910713 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/910713
COUPLING ROTATING WHEELS TO ENGINE FOR ENGINE RESTART Oct 8, 2024 Pending
Array ( [id] => 19693697 [patent_doc_number] => 20250012242 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => EXHAUST GAS RECIRCULATION SYSTEM, ENGINE ASSEMBLY, AND VEHICLE [patent_app_type] => utility [patent_app_number] => 18/895344 [patent_app_country] => US [patent_app_date] => 2024-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5394 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18895344 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/895344
EXHAUST GAS RECIRCULATION SYSTEM, ENGINE ASSEMBLY, AND VEHICLE Sep 23, 2024 Issued
Array ( [id] => 20600705 [patent_doc_number] => 20260078712 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-19 [patent_title] => METHODS AND SYSTEMS FOR INDIVIDUAL CYLINDER FUEL-AIR RATIO ADAPTATION [patent_app_type] => utility [patent_app_number] => 18/889955 [patent_app_country] => US [patent_app_date] => 2024-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1746 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18889955 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/889955
METHODS AND SYSTEMS FOR INDIVIDUAL CYLINDER FUEL-AIR RATIO ADAPTATION Sep 18, 2024 Pending
Array ( [id] => 20453589 [patent_doc_number] => 12516641 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Apparatus and method for controlling fuel system of vehicle [patent_app_type] => utility [patent_app_number] => 18/885225 [patent_app_country] => US [patent_app_date] => 2024-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3547 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18885225 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/885225
Apparatus and method for controlling fuel system of vehicle Sep 12, 2024 Issued
Array ( [id] => 20207742 [patent_doc_number] => 20250277462 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => OIL FILTER HOUSING AND ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/820661 [patent_app_country] => US [patent_app_date] => 2024-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2475 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18820661 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/820661
OIL FILTER HOUSING AND ASSEMBLY Aug 29, 2024 Pending
Array ( [id] => 19817464 [patent_doc_number] => 20250075671 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => DRIVING ENGINE FOR VEHICLES [patent_app_type] => utility [patent_app_number] => 18/815918 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1150 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18815918 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/815918
Driving engine for vehicles Aug 26, 2024 Issued
Array ( [id] => 19871914 [patent_doc_number] => 12264766 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-01 [patent_title] => Dual-passage, quick-connect fluid couplers with integrated fluid sensors and methods for making and using the same [patent_app_type] => utility [patent_app_number] => 18/814804 [patent_app_country] => US [patent_app_date] => 2024-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7047 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18814804 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/814804
Dual-passage, quick-connect fluid couplers with integrated fluid sensors and methods for making and using the same Aug 25, 2024 Issued
Array ( [id] => 20543008 [patent_doc_number] => 20260049898 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-19 [patent_title] => MONITORING ENGINE OIL LEVEL AND QUALITY FOR WELL SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/807527 [patent_app_country] => US [patent_app_date] => 2024-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7377 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18807527 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/807527
MONITORING ENGINE OIL LEVEL AND QUALITY FOR WELL SYSTEMS Aug 15, 2024 Pending
Array ( [id] => 20227629 [patent_doc_number] => 12416273 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Compression ignition engine, commercial vehicle, and method for improving starting behaviour [patent_app_type] => utility [patent_app_number] => 18/798884 [patent_app_country] => US [patent_app_date] => 2024-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18798884 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/798884
Compression ignition engine, commercial vehicle, and method for improving starting behaviour Aug 8, 2024 Issued
Array ( [id] => 19746499 [patent_doc_number] => 20250035064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => Piston with Vaulted Cooling Chamber [patent_app_type] => utility [patent_app_number] => 18/784328 [patent_app_country] => US [patent_app_date] => 2024-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5658 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18784328 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/784328
Piston with Vaulted Cooling Chamber Jul 24, 2024 Abandoned
Array ( [id] => 20493166 [patent_doc_number] => 12535031 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Engine [patent_app_type] => utility [patent_app_number] => 18/783879 [patent_app_country] => US [patent_app_date] => 2024-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 24 [patent_no_of_words] => 5764 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18783879 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/783879
Engine Jul 24, 2024 Issued
Array ( [id] => 19746500 [patent_doc_number] => 20250035065 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => COMBUSTION DEVICE FOR AN ENGINE AND METHOD FOR DESIGNING A PISTON [patent_app_type] => utility [patent_app_number] => 18/784064 [patent_app_country] => US [patent_app_date] => 2024-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7436 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 370 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18784064 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/784064
COMBUSTION DEVICE FOR AN ENGINE AND METHOD FOR DESIGNING A PISTON Jul 24, 2024 Issued
Array ( [id] => 19991513 [patent_doc_number] => 20250129735 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 18/780725 [patent_app_country] => US [patent_app_date] => 2024-07-23 [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] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18780725 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/780725
Control device for internal combustion engine Jul 22, 2024 Issued
Array ( [id] => 20486477 [patent_doc_number] => 20260022675 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-22 [patent_title] => SYSTEM AND METHOD FOR ADJUSTING FUEL INJECTOR COMMANDS [patent_app_type] => utility [patent_app_number] => 18/778341 [patent_app_country] => US [patent_app_date] => 2024-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2177 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18778341 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/778341
SYSTEM AND METHOD FOR ADJUSTING FUEL INJECTOR COMMANDS Jul 18, 2024 Pending
Array ( [id] => 20016687 [patent_doc_number] => 20250154909 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => ELECTRONIC PRESSURE REGULATOR [patent_app_type] => utility [patent_app_number] => 18/776320 [patent_app_country] => US [patent_app_date] => 2024-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2484 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18776320 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/776320
Electronic pressure regulator Jul 17, 2024 Issued
Array ( [id] => 20427134 [patent_doc_number] => 20250389222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => ENGINE CYLINDER HEAD WITH TEMPERATURE-REDUCING PRESSURE SENSOR BORE [patent_app_type] => utility [patent_app_number] => 18/753525 [patent_app_country] => US [patent_app_date] => 2024-06-25 [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] => -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] => 18753525 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/753525
Engine cylinder head with temperature-reducing pressure sensor bore Jun 24, 2024 Issued
Array ( [id] => 19709952 [patent_doc_number] => 20250020094 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => HYDROGEN GENERATOR FOR INTERNAL COMBUSION ENGINES [patent_app_type] => utility [patent_app_number] => 18/753585 [patent_app_country] => US [patent_app_date] => 2024-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5364 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [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] => 18753585 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/753585
HYDROGEN GENERATOR FOR INTERNAL COMBUSION ENGINES Jun 24, 2024 Pending
Array ( [id] => 19498209 [patent_doc_number] => 20240337227 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => AIR-COOLED, FOUR-STROKE AVIATION ENGINE [patent_app_type] => utility [patent_app_number] => 18/745150 [patent_app_country] => US [patent_app_date] => 2024-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5622 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18745150 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/745150
Air-cooled, four-stroke aviation engine Jun 16, 2024 Issued
Array ( [id] => 19779069 [patent_doc_number] => 12228093 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Airway structure, cylinder cover, and miller-profile engine [patent_app_type] => utility [patent_app_number] => 18/733886 [patent_app_country] => US [patent_app_date] => 2024-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4909 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18733886 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/733886
Airway structure, cylinder cover, and miller-profile engine Jun 4, 2024 Issued
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