Search

Tuan N Nguyen

Examiner (ID: 4518, Phone: (571)272-4892 , Office: P/3754 )

Most Active Art Unit
2828
Art Unit(s)
3101, 2828, 3751, 3653, 3615, 3651, 3754, 2899
Total Applications
4762
Issued Applications
3630
Pending Applications
272
Abandoned Applications
892

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18406473 [patent_doc_number] => 20230167824 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => PUMP SPEED CONTROLLING METHOD AND APPARATUS, A COMPUTER PROGRAM AND A COMPUTER READABLE MEDIUM HAVING STORED THEREON THE COMPUTER PROGRAM APPLIED THEREBY AND A PUMP [patent_app_type] => utility [patent_app_number] => 17/905998 [patent_app_country] => US [patent_app_date] => 2021-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7894 [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] => 17905998 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/905998
Pump speed controlling method and apparatus, a computer program and a computer readable medium having stored thereon the computer program applied thereby and a pump Mar 8, 2021 Issued
Array ( [id] => 17336904 [patent_doc_number] => 20220003235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => ROTARY COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/181076 [patent_app_country] => US [patent_app_date] => 2021-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11002 [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] => 17181076 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/181076
Rotary compressor Feb 21, 2021 Issued
Array ( [id] => 18188050 [patent_doc_number] => 11578622 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-14 [patent_title] => Use of external air for closed cycle inventory control [patent_app_type] => utility [patent_app_number] => 17/164286 [patent_app_country] => US [patent_app_date] => 2021-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 33 [patent_no_of_words] => 34165 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17164286 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/164286
Use of external air for closed cycle inventory control Jan 31, 2021 Issued
Array ( [id] => 16840348 [patent_doc_number] => 20210148360 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => Oil-Free Scroll Air Compressor with Double Parallel Grooves on Both Sides [patent_app_type] => utility [patent_app_number] => 17/160348 [patent_app_country] => US [patent_app_date] => 2021-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5557 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 727 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17160348 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/160348
Oil-free scroll air compressor with double parallel grooves on both sides Jan 26, 2021 Issued
Array ( [id] => 17275310 [patent_doc_number] => 20210381508 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => SCROLL COMPRESSOR AND REFRIGERATION CYCLE DEVICE [patent_app_type] => utility [patent_app_number] => 17/159308 [patent_app_country] => US [patent_app_date] => 2021-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11916 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17159308 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/159308
Scroll compressor and refrigeration cycle device Jan 26, 2021 Issued
Array ( [id] => 18643784 [patent_doc_number] => 11767846 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-26 [patent_title] => Compressor having seal assembly [patent_app_type] => utility [patent_app_number] => 17/154716 [patent_app_country] => US [patent_app_date] => 2021-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5826 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17154716 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/154716
Compressor having seal assembly Jan 20, 2021 Issued
Array ( [id] => 17721095 [patent_doc_number] => 20220213815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => SYSTEM AND METHOD FOR IMPROVING STARTUP TIME IN A FOSSIL-FUELED POWER GENERATION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/143325 [patent_app_country] => US [patent_app_date] => 2021-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11119 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17143325 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/143325
System and method for improving startup time in a fossil-fueled power generation system Jan 6, 2021 Issued
Array ( [id] => 18972746 [patent_doc_number] => 20240052838 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => A COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/257741 [patent_app_country] => US [patent_app_date] => 2021-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18257741 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/257741
Compressor Jan 3, 2021 Issued
Array ( [id] => 18225003 [patent_doc_number] => 20230063997 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => REFUELING SCREW COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/797145 [patent_app_country] => US [patent_app_date] => 2020-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5907 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17797145 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/797145
Refueling screw compressor Dec 28, 2020 Issued
Array ( [id] => 16778737 [patent_doc_number] => 20210115815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => TESLA-TYPE TURBINE, METHOD FOR OPERATING A TESLA-TYPE TURBINE, APPARATUS FOR CONVERTING THERMAL ENERGY INTO MECHANICAL ENERGY, METHOD FOR CONVERTING THERMAL ENERGY INTO MECHANICAL ENERGY AND METHOD FOR CONVERTING THERMAL ENERGY INTO ELECTRICAL ENERGY [patent_app_type] => utility [patent_app_number] => 17/137182 [patent_app_country] => US [patent_app_date] => 2020-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16647 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17137182 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/137182
Tesla-type turbine, method for operating a Tesla-type turbine, apparatus for converting thermal energy into mechanical energy, method for converting thermal energy into mechanical energy and method for converting thermal energy into electrical energy Dec 28, 2020 Issued
Array ( [id] => 17688588 [patent_doc_number] => 20220195880 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => COMBINATION SEAL FOR A SUPERCRITICAL CARBON DIOXIDE TURBO GENERATOR [patent_app_type] => utility [patent_app_number] => 17/130957 [patent_app_country] => US [patent_app_date] => 2020-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2500 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17130957 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/130957
Combination seal for a supercritical carbon dioxide turbo generator Dec 21, 2020 Issued
Array ( [id] => 18526708 [patent_doc_number] => 11713697 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => Energy-recovery turbines for gas streams [patent_app_type] => utility [patent_app_number] => 17/124016 [patent_app_country] => US [patent_app_date] => 2020-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7455 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17124016 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/124016
Energy-recovery turbines for gas streams Dec 15, 2020 Issued
Array ( [id] => 16763031 [patent_doc_number] => 20210108612 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-15 [patent_title] => RENEWABLE ENERGY CONVERSION APPARATUS [patent_app_type] => utility [patent_app_number] => 17/107347 [patent_app_country] => US [patent_app_date] => 2020-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10335 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17107347 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/107347
RENEWABLE ENERGY CONVERSION APPARATUS Nov 29, 2020 Abandoned
Array ( [id] => 17097654 [patent_doc_number] => 20210285445 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => VAPOR INJECTION DOUBLE REED VALVE PLATE [patent_app_type] => utility [patent_app_number] => 17/101756 [patent_app_country] => US [patent_app_date] => 2020-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11646 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17101756 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/101756
Vapor injection double reed valve plate Nov 22, 2020 Issued
Array ( [id] => 19013629 [patent_doc_number] => 11920550 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-05 [patent_title] => Solution mined cavity system [patent_app_type] => utility [patent_app_number] => 17/770618 [patent_app_country] => US [patent_app_date] => 2020-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 4501 [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] => 17770618 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/770618
Solution mined cavity system Nov 8, 2020 Issued
Array ( [id] => 17998452 [patent_doc_number] => 11499553 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Scroll compressor including a crankpin having an upper recess [patent_app_type] => utility [patent_app_number] => 17/087954 [patent_app_country] => US [patent_app_date] => 2020-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3404 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17087954 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/087954
Scroll compressor including a crankpin having an upper recess Nov 2, 2020 Issued
Array ( [id] => 16673993 [patent_doc_number] => 20210062756 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => MONOLITHIC HEAT-EXCHANGER BODIES [patent_app_type] => utility [patent_app_number] => 17/086868 [patent_app_country] => US [patent_app_date] => 2020-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 36160 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17086868 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/086868
Monolithic heat-exchanger bodies Nov 1, 2020 Issued
Array ( [id] => 18078147 [patent_doc_number] => 20220403759 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => METHODS AND SYSTEMS FOR STARTING AND STOPPING A CLOSED-CYCLE TURBOMACHINE [patent_app_type] => utility [patent_app_number] => 17/772208 [patent_app_country] => US [patent_app_date] => 2020-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8392 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17772208 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/772208
Methods and systems for starting and stopping a closed-cycle turbomachine Oct 27, 2020 Issued
Array ( [id] => 17989883 [patent_doc_number] => 20220355920 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => TENSION TORSION STRAP WITH ARCHED WINDING PATTERN [patent_app_type] => utility [patent_app_number] => 17/765123 [patent_app_country] => US [patent_app_date] => 2020-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5694 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17765123 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/765123
TENSION TORSION STRAP WITH ARCHED WINDING PATTERN Oct 20, 2020 Abandoned
Array ( [id] => 16750527 [patent_doc_number] => 20210102536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => VACUUM PUMP, SCROLL PUMP, AND MANUFACTURING METHOD FOR SUCH [patent_app_type] => utility [patent_app_number] => 17/063912 [patent_app_country] => US [patent_app_date] => 2020-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10103 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17063912 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/063912
Vacuum pump, scroll pump, and manufacturing method for such Oct 5, 2020 Issued
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