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] => 13445789 [patent_doc_number] => 20180274437 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => COMPRESSION RATIO ADJUSTING APPARATUS FOR INTERNAL COMBUSTION ENGINE AND METHOD FOR CONTROLLING COMPRESSION RATIO ADJUSTING APPARATUS FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 15/756128 [patent_app_country] => US [patent_app_date] => 2016-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12095 [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] => 15756128 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/756128
COMPRESSION RATIO ADJUSTING APPARATUS FOR INTERNAL COMBUSTION ENGINE AND METHOD FOR CONTROLLING COMPRESSION RATIO ADJUSTING APPARATUS FOR INTERNAL COMBUSTION ENGINE Aug 30, 2016 Abandoned
Array ( [id] => 13971589 [patent_doc_number] => 10215138 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-26 [patent_title] => Protective cap for a positive crankcase ventilation port and a method to manufacture [patent_app_type] => utility [patent_app_number] => 15/248284 [patent_app_country] => US [patent_app_date] => 2016-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 2513 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15248284 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/248284
Protective cap for a positive crankcase ventilation port and a method to manufacture Aug 25, 2016 Issued
Array ( [id] => 11325624 [patent_doc_number] => 20160356236 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-08 [patent_title] => 'METHOD FOR FUEL INJECTION CONTROL' [patent_app_type] => utility [patent_app_number] => 15/238496 [patent_app_country] => US [patent_app_date] => 2016-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10083 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15238496 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/238496
Method for fuel injection control Aug 15, 2016 Issued
Array ( [id] => 16704926 [patent_doc_number] => 10954849 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-23 [patent_title] => Length-adjustable connecting rod with electromagnetically-actuatable switching valve [patent_app_type] => utility [patent_app_number] => 16/062217 [patent_app_country] => US [patent_app_date] => 2016-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 28 [patent_no_of_words] => 12808 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16062217 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/062217
Length-adjustable connecting rod with electromagnetically-actuatable switching valve Aug 9, 2016 Issued
Array ( [id] => 13266687 [patent_doc_number] => 10145421 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-04 [patent_title] => Combustion engine, an aircraft fitted with said engine, and a method of fabricating such an engine [patent_app_type] => utility [patent_app_number] => 15/579638 [patent_app_country] => US [patent_app_date] => 2016-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4403 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15579638 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/579638
Combustion engine, an aircraft fitted with said engine, and a method of fabricating such an engine Jul 20, 2016 Issued
Array ( [id] => 11396001 [patent_doc_number] => 20170016536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-01-19 [patent_title] => 'GAPLESS PISTON RING FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 15/210629 [patent_app_country] => US [patent_app_date] => 2016-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 15122 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15210629 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/210629
Gapless piston ring for internal combustion engine Jul 13, 2016 Issued
Array ( [id] => 13344381 [patent_doc_number] => 20180223730 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-09 [patent_title] => ACTUATOR OF LINK MECHANISM FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 15/748265 [patent_app_country] => US [patent_app_date] => 2016-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12228 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15748265 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/748265
Actuator of link mechanism for internal combustion engine Jul 12, 2016 Issued
Array ( [id] => 13429541 [patent_doc_number] => 20180266313 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-20 [patent_title] => LONGITUDINALLY ADJUSTABLE CONNECTING ROD [patent_app_type] => utility [patent_app_number] => 15/737423 [patent_app_country] => US [patent_app_date] => 2016-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20656 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15737423 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/737423
Longitudinally adjustable connecting rod Jun 19, 2016 Issued
Array ( [id] => 13553451 [patent_doc_number] => 20180328273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-15 [patent_title] => Variable Compression Ratio Engine [patent_app_type] => utility [patent_app_number] => 15/732533 [patent_app_country] => US [patent_app_date] => 2016-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4476 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 461 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15732533 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/732533
Variable compression ratio engine May 23, 2016 Issued
Array ( [id] => 15514291 [patent_doc_number] => 10563725 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-18 [patent_title] => Balancer apparatus for internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/577248 [patent_app_country] => US [patent_app_date] => 2016-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 20 [patent_no_of_words] => 8941 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 337 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15577248 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/577248
Balancer apparatus for internal combustion engine May 10, 2016 Issued
Array ( [id] => 14795341 [patent_doc_number] => 10400667 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-03 [patent_title] => Variable compression ratio mechanism for internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/578506 [patent_app_country] => US [patent_app_date] => 2016-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5462 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 380 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15578506 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/578506
Variable compression ratio mechanism for internal combustion engine Apr 21, 2016 Issued
Array ( [id] => 12815356 [patent_doc_number] => 20180163622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-14 [patent_title] => VARIABLE COMPRESSION RATIO MECHANISM FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 15/578432 [patent_app_country] => US [patent_app_date] => 2016-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5845 [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] => 15578432 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/578432
Variable compression ratio mechanism for internal combustion engine Apr 21, 2016 Issued
Array ( [id] => 11033754 [patent_doc_number] => 20160230710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-08-11 [patent_title] => 'Exhaust Gas Recirculation (EGR) System for Internal Combustion Engines' [patent_app_type] => utility [patent_app_number] => 15/132995 [patent_app_country] => US [patent_app_date] => 2016-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5783 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15132995 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/132995
Exhaust gas recirculation (EGR) system for internal combustion engines Apr 18, 2016 Issued
Array ( [id] => 11859560 [patent_doc_number] => 09739234 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-08-22 [patent_title] => 'Complex-shaped forged piston oil galleries' [patent_app_type] => utility [patent_app_number] => 15/096498 [patent_app_country] => US [patent_app_date] => 2016-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2653 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15096498 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/096498
Complex-shaped forged piston oil galleries Apr 11, 2016 Issued
Array ( [id] => 11101582 [patent_doc_number] => 20160298552 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-13 [patent_title] => 'Portable Working Machine' [patent_app_type] => utility [patent_app_number] => 15/093918 [patent_app_country] => US [patent_app_date] => 2016-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2662 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15093918 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/093918
Portable working machine Apr 7, 2016 Issued
Array ( [id] => 11101556 [patent_doc_number] => 20160298526 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-13 [patent_title] => 'COOLING DEVICE FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 15/092803 [patent_app_country] => US [patent_app_date] => 2016-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 12308 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15092803 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/092803
Cooling device for internal combustion engine Apr 6, 2016 Issued
Array ( [id] => 14200247 [patent_doc_number] => 10267226 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-23 [patent_title] => Apparatus for increasing efficiency in reciprocating type engines [patent_app_type] => utility [patent_app_number] => 15/089774 [patent_app_country] => US [patent_app_date] => 2016-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 16 [patent_no_of_words] => 3697 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15089774 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/089774
Apparatus for increasing efficiency in reciprocating type engines Apr 3, 2016 Issued
Array ( [id] => 13662283 [patent_doc_number] => 10161295 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-25 [patent_title] => Vehicle under hood cooling system [patent_app_type] => utility [patent_app_number] => 15/088175 [patent_app_country] => US [patent_app_date] => 2016-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2788 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15088175 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/088175
Vehicle under hood cooling system Mar 31, 2016 Issued
Array ( [id] => 13266401 [patent_doc_number] => 10145278 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-04 [patent_title] => Blow-by gas passage structure [patent_app_type] => utility [patent_app_number] => 15/086981 [patent_app_country] => US [patent_app_date] => 2016-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5828 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15086981 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/086981
Blow-by gas passage structure Mar 30, 2016 Issued
Array ( [id] => 11971886 [patent_doc_number] => 20170276040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-28 [patent_title] => 'Floating Crankcase Ventilation System and Method' [patent_app_type] => utility [patent_app_number] => 15/079990 [patent_app_country] => US [patent_app_date] => 2016-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4829 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15079990 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/079990
Floating crankcase ventilation system and method Mar 23, 2016 Issued
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