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] => 17112580 [patent_doc_number] => 20210293177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => A TWO STROKE ENGINE WITH VALVES ACTUATED BY AIR PRESSURE NEAR BOTTOM DEAD CENTER [patent_app_type] => utility [patent_app_number] => 16/328385 [patent_app_country] => US [patent_app_date] => 2017-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1164 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16328385 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/328385
Two stroke engine with valves actuated by air pressure near bottom dead center Aug 29, 2017 Issued
Array ( [id] => 13888851 [patent_doc_number] => 10196972 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-05 [patent_title] => Adjusting of air-fuel ratio of a two-stroke internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/673656 [patent_app_country] => US [patent_app_date] => 2017-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 5824 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15673656 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/673656
Adjusting of air-fuel ratio of a two-stroke internal combustion engine Aug 9, 2017 Issued
Array ( [id] => 13704085 [patent_doc_number] => 20170362997 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-21 [patent_title] => INTERNALLY COOLED HIGH COMPRESSION LEAN-BURNING INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 15/670435 [patent_app_country] => US [patent_app_date] => 2017-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14533 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15670435 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/670435
Internally cooled high compression lean-burning internal combustion engine Aug 6, 2017 Issued
Array ( [id] => 13872671 [patent_doc_number] => 20190032676 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-31 [patent_title] => COMBINED SECONDARY INLET BELL AND FLOW GRID FOR A CENTRIFUGAL FAN OR CENTRIFUGAL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 15/665024 [patent_app_country] => US [patent_app_date] => 2017-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9651 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15665024 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/665024
Combined secondary inlet bell and flow grid for a centrifugal fan or centrifugal compressor Jul 30, 2017 Issued
Array ( [id] => 12815572 [patent_doc_number] => 20180163694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-14 [patent_title] => BLADE STRUCTURE OF WATER FLOW POWER GENERATION SYSTEM [patent_app_type] => utility [patent_app_number] => 15/662888 [patent_app_country] => US [patent_app_date] => 2017-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15662888 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/662888
BLADE STRUCTURE OF WATER FLOW POWER GENERATION SYSTEM Jul 27, 2017 Abandoned
Array ( [id] => 17923537 [patent_doc_number] => 11466777 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-11 [patent_title] => Sliding element for an internal combustion engine [patent_app_type] => utility [patent_app_number] => 16/321459 [patent_app_country] => US [patent_app_date] => 2017-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4756 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16321459 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/321459
Sliding element for an internal combustion engine Jul 26, 2017 Issued
Array ( [id] => 13872453 [patent_doc_number] => 20190032567 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-31 [patent_title] => AIR TURBINE STARTER [patent_app_type] => utility [patent_app_number] => 15/660195 [patent_app_country] => US [patent_app_date] => 2017-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6713 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15660195 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/660195
AIR TURBINE STARTER Jul 25, 2017 Abandoned
Array ( [id] => 14120567 [patent_doc_number] => 10247134 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-02 [patent_title] => Complex-shaped forged piston oil galleries [patent_app_type] => utility [patent_app_number] => 15/657661 [patent_app_country] => US [patent_app_date] => 2017-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2644 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15657661 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/657661
Complex-shaped forged piston oil galleries Jul 23, 2017 Issued
Array ( [id] => 14087445 [patent_doc_number] => 10239609 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-03-26 [patent_title] => Pitch link with track adjustment indicators [patent_app_type] => utility [patent_app_number] => 15/656929 [patent_app_country] => US [patent_app_date] => 2017-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 14183 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 463 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15656929 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/656929
Pitch link with track adjustment indicators Jul 20, 2017 Issued
Array ( [id] => 12186118 [patent_doc_number] => 20180045054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-15 [patent_title] => 'INTER-STAGE COOLING FOR A TURBOMACHINE' [patent_app_type] => utility [patent_app_number] => 15/651224 [patent_app_country] => US [patent_app_date] => 2017-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3670 [patent_no_of_claims] => 18 [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] => 15651224 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/651224
Inter-stage cooling for a turbomachine Jul 16, 2017 Issued
Array ( [id] => 13566757 [patent_doc_number] => 20180334926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-22 [patent_title] => HEAT SHIELD FOR A GAS TURBINE ENGINE [patent_app_type] => utility [patent_app_number] => 15/649622 [patent_app_country] => US [patent_app_date] => 2017-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8264 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15649622 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/649622
Heat shield for a gas turbine engine Jul 12, 2017 Issued
Array ( [id] => 14914861 [patent_doc_number] => 10428741 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-01 [patent_title] => Gas turbine engine with a geared turbofan arrangement [patent_app_type] => utility [patent_app_number] => 15/646775 [patent_app_country] => US [patent_app_date] => 2017-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 2218 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15646775 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/646775
Gas turbine engine with a geared turbofan arrangement Jul 10, 2017 Issued
Array ( [id] => 14550665 [patent_doc_number] => 10343772 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-09 [patent_title] => Pitch horn assembly [patent_app_type] => utility [patent_app_number] => 15/645110 [patent_app_country] => US [patent_app_date] => 2017-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 24 [patent_no_of_words] => 10531 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15645110 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/645110
Pitch horn assembly Jul 9, 2017 Issued
Array ( [id] => 15635593 [patent_doc_number] => 10590777 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-17 [patent_title] => Turbomachine rotor blade [patent_app_type] => utility [patent_app_number] => 15/638571 [patent_app_country] => US [patent_app_date] => 2017-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3982 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [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] => 15638571 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/638571
Turbomachine rotor blade Jun 29, 2017 Issued
Array ( [id] => 17491115 [patent_doc_number] => 11280409 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-22 [patent_title] => Method for producing piston assembly and hydraulic fluid device [patent_app_type] => utility [patent_app_number] => 16/324428 [patent_app_country] => US [patent_app_date] => 2017-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 29 [patent_no_of_words] => 12412 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16324428 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/324428
Method for producing piston assembly and hydraulic fluid device Jun 26, 2017 Issued
Array ( [id] => 13735055 [patent_doc_number] => 20180371995 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => ROTATING DEVICES FOR MITIGATION OF ADVERSE FLOW CONDITIONS IN AN ULTRA-SHORT NACELLE INLET [patent_app_type] => utility [patent_app_number] => 15/633523 [patent_app_country] => US [patent_app_date] => 2017-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2362 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15633523 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/633523
ROTATING DEVICES FOR MITIGATION OF ADVERSE FLOW CONDITIONS IN AN ULTRA-SHORT NACELLE INLET Jun 25, 2017 Abandoned
Array ( [id] => 13735057 [patent_doc_number] => 20180371996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => TRANSLATING TURNING VANES FOR A NACELLE INET [patent_app_type] => utility [patent_app_number] => 15/633579 [patent_app_country] => US [patent_app_date] => 2017-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2649 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15633579 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/633579
Translating turning vanes for a nacelle inlet Jun 25, 2017 Issued
Array ( [id] => 12138837 [patent_doc_number] => 20180016920 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-18 [patent_title] => 'ROTOR ASSEMBLY FOR A TURBOMACHINE AND A METHOD OF MANUFACTURING THE SAME' [patent_app_type] => utility [patent_app_number] => 15/625226 [patent_app_country] => US [patent_app_date] => 2017-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3894 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [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] => 15625226 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/625226
ROTOR ASSEMBLY FOR A TURBOMACHINE AND A METHOD OF MANUFACTURING THE SAME Jun 15, 2017 Abandoned
Array ( [id] => 15356813 [patent_doc_number] => 10527013 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-07 [patent_title] => Hydrogenated liquid fuel production and induction system for gasoline and diesel internal combustion engines [patent_app_type] => utility [patent_app_number] => 16/069705 [patent_app_country] => US [patent_app_date] => 2017-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2308 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16069705 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/069705
Hydrogenated liquid fuel production and induction system for gasoline and diesel internal combustion engines May 24, 2017 Issued
Array ( [id] => 14779401 [patent_doc_number] => 20190264598 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-29 [patent_title] => COOLANT APPARATUS [patent_app_type] => utility [patent_app_number] => 16/311183 [patent_app_country] => US [patent_app_date] => 2017-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3343 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16311183 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/311183
Coolant apparatus May 16, 2017 Issued
Menu