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] => 18658583 [patent_doc_number] => 20230304579 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => PISTON RING [patent_app_type] => utility [patent_app_number] => 18/043238 [patent_app_country] => US [patent_app_date] => 2020-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5007 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18043238 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/043238
Piston ring Sep 10, 2020 Issued
Array ( [id] => 17461020 [patent_doc_number] => 20220074325 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => METHOD OF MANUFACTURE AND DESIGN OF CAST-IN-PLACE VALVE SEATS [patent_app_type] => utility [patent_app_number] => 17/014526 [patent_app_country] => US [patent_app_date] => 2020-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2551 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17014526 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/014526
Method of manufacture and design of cast-in-place valve seats Sep 7, 2020 Issued
Array ( [id] => 18676147 [patent_doc_number] => 20230313772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => CONTROL METHOD, CONTROLLER, AND CONTROL PROGRAM FOR CONTROLLING STARTING SYSTEM, COMPUTER-READABLE MEDIUM CARRYING CONTROL PROGRAM, STARTING SYSTEM, AND VEHICLE [patent_app_type] => utility [patent_app_number] => 18/043772 [patent_app_country] => US [patent_app_date] => 2020-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8109 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18043772 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/043772
Control method, controller, and control program for controlling starting system, computer-readable medium carrying control program, starting system, and vehicle Sep 3, 2020 Issued
Array ( [id] => 17912338 [patent_doc_number] => 20220314733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => Thermal Management System and Vehicle [patent_app_type] => utility [patent_app_number] => 17/641962 [patent_app_country] => US [patent_app_date] => 2020-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4640 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 17641962 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/641962
Thermal management system and vehicle Sep 3, 2020 Issued
Array ( [id] => 17914023 [patent_doc_number] => 20220316418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => CRANKCASE FOR AN INTERNAL COMBUSTION ENGINE, AND INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 17/640528 [patent_app_country] => US [patent_app_date] => 2020-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5604 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 17640528 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/640528
Crankcase for an internal combustion engine, and internal combustion engine Sep 3, 2020 Issued
Array ( [id] => 17939077 [patent_doc_number] => 11473522 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Piston of an internal combustion engine [patent_app_type] => utility [patent_app_number] => 17/003085 [patent_app_country] => US [patent_app_date] => 2020-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2715 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17003085 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/003085
Piston of an internal combustion engine Aug 25, 2020 Issued
Array ( [id] => 20115785 [patent_doc_number] => 12365474 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Battery preheating systems and methods in an aircraft hybrid electric powertrain [patent_app_type] => utility [patent_app_number] => 17/637311 [patent_app_country] => US [patent_app_date] => 2020-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1189 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17637311 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/637311
Battery preheating systems and methods in an aircraft hybrid electric powertrain Aug 20, 2020 Issued
Array ( [id] => 17556720 [patent_doc_number] => 11313409 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-04-26 [patent_title] => Crankshaft and cranktrain for internal combustion engine [patent_app_type] => utility [patent_app_number] => 16/997536 [patent_app_country] => US [patent_app_date] => 2020-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 4748 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16997536 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/997536
Crankshaft and cranktrain for internal combustion engine Aug 18, 2020 Issued
Array ( [id] => 19441808 [patent_doc_number] => 12092053 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Piston for a reciprocating piston machine, and reciprocating piston machine for a motor vehicle [patent_app_type] => utility [patent_app_number] => 17/763963 [patent_app_country] => US [patent_app_date] => 2020-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5526 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17763963 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/763963
Piston for a reciprocating piston machine, and reciprocating piston machine for a motor vehicle Aug 12, 2020 Issued
Array ( [id] => 16598963 [patent_doc_number] => 20210025494 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => PISTON FOR AN INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/938907 [patent_app_country] => US [patent_app_date] => 2020-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3865 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16938907 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/938907
Piston for an internal combustion engine Jul 23, 2020 Issued
Array ( [id] => 16437801 [patent_doc_number] => 20200355127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => BI-FUEL ENGINE WITH INCREASED POWER [patent_app_type] => utility [patent_app_number] => 16/947206 [patent_app_country] => US [patent_app_date] => 2020-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8351 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16947206 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/947206
Bi-fuel engine with increased power Jul 22, 2020 Issued
Array ( [id] => 17855713 [patent_doc_number] => 20220285756 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => Thermal Management System, Vehicle And Method For Operating Two Cooling Circuits Of A Thermal Management System [patent_app_type] => utility [patent_app_number] => 17/624905 [patent_app_country] => US [patent_app_date] => 2020-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3750 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17624905 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/624905
Thermal management system, vehicle and method for operating two cooling circuits of a thermal management system Jul 15, 2020 Issued
Array ( [id] => 18620989 [patent_doc_number] => 11754017 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => Piston of internal combustion engine and internal combustion engine [patent_app_type] => utility [patent_app_number] => 17/611420 [patent_app_country] => US [patent_app_date] => 2020-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7221 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17611420 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/611420
Piston of internal combustion engine and internal combustion engine Jun 29, 2020 Issued
Array ( [id] => 17756566 [patent_doc_number] => 11396853 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-26 [patent_title] => Exhaust valve, exhaust valve assembly and exhaust valve system for two-stroke internal combustion engines, two-stroke internal combustion engine having same and method for cleaning an exhaust valve [patent_app_type] => utility [patent_app_number] => 16/915876 [patent_app_country] => US [patent_app_date] => 2020-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 34 [patent_no_of_words] => 19598 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 349 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16915876 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/915876
Exhaust valve, exhaust valve assembly and exhaust valve system for two-stroke internal combustion engines, two-stroke internal combustion engine having same and method for cleaning an exhaust valve Jun 28, 2020 Issued
Array ( [id] => 17983331 [patent_doc_number] => 20220349367 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => AIR CLEANER DEVICE [patent_app_type] => utility [patent_app_number] => 17/622245 [patent_app_country] => US [patent_app_date] => 2020-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1927 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17622245 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/622245
AIR CLEANER DEVICE Jun 25, 2020 Abandoned
Array ( [id] => 18159762 [patent_doc_number] => 20230026354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => THERMAL BARRIER COATING MEMBER [patent_app_type] => utility [patent_app_number] => 17/791032 [patent_app_country] => US [patent_app_date] => 2020-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13445 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17791032 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/791032
Thermal barrier coating member Jun 24, 2020 Issued
Array ( [id] => 17891233 [patent_doc_number] => 11454192 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-27 [patent_title] => Antipolishing ring [patent_app_type] => utility [patent_app_number] => 16/898561 [patent_app_country] => US [patent_app_date] => 2020-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4290 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16898561 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/898561
Antipolishing ring Jun 10, 2020 Issued
Array ( [id] => 18452568 [patent_doc_number] => 20230193847 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => Cylinder Liner and Cylinder Bore [patent_app_type] => utility [patent_app_number] => 17/926715 [patent_app_country] => US [patent_app_date] => 2020-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4376 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17926715 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/926715
Cylinder liner and cylinder bore Jun 10, 2020 Issued
Array ( [id] => 17120130 [patent_doc_number] => 11131254 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-28 [patent_title] => Marine engine [patent_app_type] => utility [patent_app_number] => 16/894749 [patent_app_country] => US [patent_app_date] => 2020-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4879 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16894749 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/894749
Marine engine Jun 4, 2020 Issued
Array ( [id] => 17897729 [patent_doc_number] => 20220307391 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => PLATE VALVE FOUR STOKE HEAD [patent_app_type] => utility [patent_app_number] => 17/616962 [patent_app_country] => US [patent_app_date] => 2020-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5824 [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] => 17616962 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/616962
Plate valve four stoke head Jun 2, 2020 Issued
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