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
16/769162 METHOD OF MANUFACTURING INTERNAL COMBUSTION ENGINE, INTERNAL COMBUSTION ENGINE, AND CONNECTED CYLINDER Jun 1, 2020 Abandoned
Array ( [id] => 17090352 [patent_doc_number] => 11118533 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-09-14 [patent_title] => Piston for internal combustion engine having congruous combustion bowl and gallery surfaces and method of making the same [patent_app_type] => utility [patent_app_number] => 16/889969 [patent_app_country] => US [patent_app_date] => 2020-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4483 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16889969 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/889969
Piston for internal combustion engine having congruous combustion bowl and gallery surfaces and method of making the same Jun 1, 2020 Issued
Array ( [id] => 17468156 [patent_doc_number] => 11274628 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-15 [patent_title] => Internal combustion engine and piston having stepped combustion bowl with non-axisymmetric profile [patent_app_type] => utility [patent_app_number] => 16/889958 [patent_app_country] => US [patent_app_date] => 2020-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 4228 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16889958 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/889958
Internal combustion engine and piston having stepped combustion bowl with non-axisymmetric profile Jun 1, 2020 Issued
Array ( [id] => 16298426 [patent_doc_number] => 20200284149 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => ENGINE WITH WORK STROKE AND GAS EXCHANGE THROUGH PISTON ROD [patent_app_type] => utility [patent_app_number] => 16/884266 [patent_app_country] => US [patent_app_date] => 2020-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16442 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 349 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16884266 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/884266
Engine with work stroke and gas exchange through piston rod May 26, 2020 Issued
Array ( [id] => 16971074 [patent_doc_number] => 11067039 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-07-20 [patent_title] => High compression boosting and water generation [patent_app_type] => utility [patent_app_number] => 16/870259 [patent_app_country] => US [patent_app_date] => 2020-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3606 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16870259 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/870259
High compression boosting and water generation May 7, 2020 Issued
Array ( [id] => 18804774 [patent_doc_number] => 11837944 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-05 [patent_title] => Car motor cooling apparatus [patent_app_type] => utility [patent_app_number] => 16/861499 [patent_app_country] => US [patent_app_date] => 2020-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 3557 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16861499 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/861499
Car motor cooling apparatus Apr 28, 2020 Issued
Array ( [id] => 16377004 [patent_doc_number] => 20200325846 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-15 [patent_title] => CYLINDER HEAD [patent_app_type] => utility [patent_app_number] => 16/837069 [patent_app_country] => US [patent_app_date] => 2020-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9113 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16837069 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/837069
Cylinder head Mar 31, 2020 Issued
Array ( [id] => 16342697 [patent_doc_number] => 20200307347 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => VARIABLE-LENGTH TIE ROD MADE OF PLASTIC MATERIAL [patent_app_type] => utility [patent_app_number] => 16/828637 [patent_app_country] => US [patent_app_date] => 2020-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2000 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16828637 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/828637
Variable-length tie rod made of plastic material Mar 23, 2020 Issued
Array ( [id] => 16313171 [patent_doc_number] => 20200291909 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-17 [patent_title] => FLUID TANK FOR A POWER TOOL [patent_app_type] => utility [patent_app_number] => 16/817917 [patent_app_country] => US [patent_app_date] => 2020-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4965 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 16817917 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/817917
Fluid tank for a power tool Mar 12, 2020 Issued
Array ( [id] => 18560334 [patent_doc_number] => 11725570 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Engine piston, engine, hand-held tool, and method of manufacturing an engine piston [patent_app_type] => utility [patent_app_number] => 17/435791 [patent_app_country] => US [patent_app_date] => 2020-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 8197 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17435791 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/435791
Engine piston, engine, hand-held tool, and method of manufacturing an engine piston Mar 1, 2020 Issued
Array ( [id] => 16313315 [patent_doc_number] => 20200292053 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-17 [patent_title] => VEHICLE LUBRICATION STRUCTURE AND VEHICLE LUBRICATION CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 16/784487 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7570 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16784487 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/784487
VEHICLE LUBRICATION STRUCTURE AND VEHICLE LUBRICATION CONTROL METHOD Feb 6, 2020 Abandoned
Array ( [id] => 19901389 [patent_doc_number] => 12279341 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Method for heating a tank [patent_app_type] => utility [patent_app_number] => 17/427558 [patent_app_country] => US [patent_app_date] => 2020-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17427558 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/427558
Method for heating a tank Jan 30, 2020 Issued
Array ( [id] => 17860341 [patent_doc_number] => 11441493 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-13 [patent_title] => Method for providing variable compression ratio in a combustion engine and device for the method [patent_app_type] => utility [patent_app_number] => 17/425241 [patent_app_country] => US [patent_app_date] => 2020-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1751 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17425241 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/425241
Method for providing variable compression ratio in a combustion engine and device for the method Jan 29, 2020 Issued
Array ( [id] => 17650233 [patent_doc_number] => 11352949 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-07 [patent_title] => Top dead center gauge set [patent_app_type] => utility [patent_app_number] => 16/773096 [patent_app_country] => US [patent_app_date] => 2020-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 4115 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 524 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16773096 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/773096
Top dead center gauge set Jan 26, 2020 Issued
Array ( [id] => 17541536 [patent_doc_number] => 11306652 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-04-19 [patent_title] => Small diesel engine-generator set [patent_app_type] => utility [patent_app_number] => 16/748574 [patent_app_country] => US [patent_app_date] => 2020-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2024 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16748574 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/748574
Small diesel engine-generator set Jan 20, 2020 Issued
Array ( [id] => 17222273 [patent_doc_number] => 11174765 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-16 [patent_title] => Abnormality assessment device of internal combustion engine [patent_app_type] => utility [patent_app_number] => 16/742128 [patent_app_country] => US [patent_app_date] => 2020-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2684 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16742128 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/742128
Abnormality assessment device of internal combustion engine Jan 13, 2020 Issued
Array ( [id] => 16786664 [patent_doc_number] => 10989081 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-27 [patent_title] => Blow-by gas treatment device for internal combustion engine [patent_app_type] => utility [patent_app_number] => 16/733345 [patent_app_country] => US [patent_app_date] => 2020-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 5979 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16733345 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/733345
Blow-by gas treatment device for internal combustion engine Jan 2, 2020 Issued
Array ( [id] => 17521076 [patent_doc_number] => 20220106925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => CYLINDER HEAD [patent_app_type] => utility [patent_app_number] => 17/420746 [patent_app_country] => US [patent_app_date] => 2019-12-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7071 [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] => 17420746 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/420746
Cylinder head Dec 24, 2019 Issued
Array ( [id] => 17906095 [patent_doc_number] => 11459943 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-10-04 [patent_title] => Sealing configurations for marine engines having a supercharger and charge air cooler [patent_app_type] => utility [patent_app_number] => 16/723421 [patent_app_country] => US [patent_app_date] => 2019-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 18 [patent_no_of_words] => 7287 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [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] => 16723421 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/723421
Sealing configurations for marine engines having a supercharger and charge air cooler Dec 19, 2019 Issued
Array ( [id] => 18605268 [patent_doc_number] => 11746724 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Method for preventing accumulation of cylinder oil at scavenging ports of low-speed marine engine [patent_app_type] => utility [patent_app_number] => 17/310358 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 5303 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17310358 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/310358
Method for preventing accumulation of cylinder oil at scavenging ports of low-speed marine engine Dec 16, 2019 Issued
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