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] => 19361581 [patent_doc_number] => 20240263615 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => ASSEMBLING OR DISASSEMBLING A GEAR ASSEMBLY OF A WIND TURBINE [patent_app_type] => utility [patent_app_number] => 17/768333 [patent_app_country] => US [patent_app_date] => 2020-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9328 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17768333 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/768333
Assembling or disassembling a gear assembly of a wind turbine Oct 1, 2020 Issued
Array ( [id] => 17275201 [patent_doc_number] => 20210381399 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => Coal Fired Power Generation System And Supercritical CO2 Cycle System Thereof [patent_app_type] => utility [patent_app_number] => 17/039599 [patent_app_country] => US [patent_app_date] => 2020-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7163 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17039599 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/039599
Coal fired power generation system and supercritical CO2 cycle system thereof Sep 29, 2020 Issued
Array ( [id] => 16570898 [patent_doc_number] => 20210009904 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-14 [patent_title] => POWER RECOVERY FROM QUENCH AND DILUTION VAPOR STREAMS [patent_app_type] => utility [patent_app_number] => 17/038139 [patent_app_country] => US [patent_app_date] => 2020-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7189 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17038139 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/038139
Power recovery from quench and dilution vapor streams Sep 29, 2020 Issued
Array ( [id] => 17505988 [patent_doc_number] => 20220099091 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => COMPRESSOR INCLUDING LASER-HARDENED BEARING SURFACES [patent_app_type] => utility [patent_app_number] => 17/039552 [patent_app_country] => US [patent_app_date] => 2020-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5223 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17039552 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/039552
COMPRESSOR INCLUDING LASER-HARDENED BEARING SURFACES Sep 29, 2020 Abandoned
Array ( [id] => 17697785 [patent_doc_number] => 11371504 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-28 [patent_title] => Scroll compressor [patent_app_type] => utility [patent_app_number] => 17/032738 [patent_app_country] => US [patent_app_date] => 2020-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2179 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17032738 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/032738
Scroll compressor Sep 24, 2020 Issued
Array ( [id] => 17307881 [patent_doc_number] => 11208979 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-28 [patent_title] => Method of hydraulically converting wind power [patent_app_type] => utility [patent_app_number] => 17/030557 [patent_app_country] => US [patent_app_date] => 2020-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4014 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17030557 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/030557
Method of hydraulically converting wind power Sep 23, 2020 Issued
Array ( [id] => 16817442 [patent_doc_number] => 11002254 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-11 [patent_title] => Power plant unit for a hybrid power plant [patent_app_type] => utility [patent_app_number] => 17/031794 [patent_app_country] => US [patent_app_date] => 2020-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 8812 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17031794 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/031794
Power plant unit for a hybrid power plant Sep 23, 2020 Issued
Array ( [id] => 17762156 [patent_doc_number] => 20220235768 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => POSITIONING ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 17/596464 [patent_app_country] => US [patent_app_date] => 2020-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2833 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17596464 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/596464
POSITIONING ARRANGEMENT Aug 26, 2020 Abandoned
Array ( [id] => 18469748 [patent_doc_number] => 20230204032 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => SCROLL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/927599 [patent_app_country] => US [patent_app_date] => 2020-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8245 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17927599 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/927599
Scroll compressor Aug 19, 2020 Issued
Array ( [id] => 16674045 [patent_doc_number] => 20210062808 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => ELECTRIC COMPRESSOR [patent_app_type] => utility [patent_app_number] => 16/997204 [patent_app_country] => US [patent_app_date] => 2020-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8296 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16997204 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/997204
Electric compressor Aug 18, 2020 Issued
Array ( [id] => 18021477 [patent_doc_number] => 20220372976 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => SCROLL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/772921 [patent_app_country] => US [patent_app_date] => 2020-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8727 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17772921 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/772921
Scroll compressor Aug 12, 2020 Issued
Array ( [id] => 18801894 [patent_doc_number] => 11835046 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-05 [patent_title] => Main bearing housing assembly and scroll compressor having the main bearing housing assembly [patent_app_type] => utility [patent_app_number] => 17/772904 [patent_app_country] => US [patent_app_date] => 2020-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 4822 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17772904 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/772904
Main bearing housing assembly and scroll compressor having the main bearing housing assembly Aug 12, 2020 Issued
Array ( [id] => 17883538 [patent_doc_number] => 20220299015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => Bottom-Founded Ocean Thermal Energy Conversion Plant [patent_app_type] => utility [patent_app_number] => 17/631068 [patent_app_country] => US [patent_app_date] => 2020-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7863 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 17631068 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/631068
Bottom-Founded Ocean Thermal Energy Conversion Plant Jul 30, 2020 Abandoned
Array ( [id] => 16614439 [patent_doc_number] => 20210033092 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => SCROLL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 16/942190 [patent_app_country] => US [patent_app_date] => 2020-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8843 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16942190 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/942190
Scroll compressor Jul 28, 2020 Issued
Array ( [id] => 16525768 [patent_doc_number] => 20200399848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => LOW DENSITY FLUID DISPLACEMENT TO STORE OR GENERATE POWER [patent_app_type] => utility [patent_app_number] => 16/932429 [patent_app_country] => US [patent_app_date] => 2020-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 65436 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16932429 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/932429
Low density fluid displacement to store or generate power Jul 16, 2020 Issued
Array ( [id] => 19779070 [patent_doc_number] => 12228094 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => System and apparatus for energy conversion [patent_app_type] => utility [patent_app_number] => 16/920821 [patent_app_country] => US [patent_app_date] => 2020-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 20 [patent_no_of_words] => 23679 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 410 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16920821 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/920821
System and apparatus for energy conversion Jul 5, 2020 Issued
Array ( [id] => 17852598 [patent_doc_number] => 20220282640 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => SYSTEM FOR CONVERTING THERMAL ENERGY INTO MECHANICAL WORK [patent_app_type] => utility [patent_app_number] => 17/625745 [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] => 2972 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17625745 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/625745
SYSTEM FOR CONVERTING THERMAL ENERGY INTO MECHANICAL WORK Jun 24, 2020 Abandoned
Array ( [id] => 16361849 [patent_doc_number] => 20200318600 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => TRANSPORTABLE GRAVITATIONAL SYSTEM AND METHOD FOR GENERATING CONSISTENT ELECTRICAL POWER AND GENERATING MINIMIZED POLLUTION [patent_app_type] => utility [patent_app_number] => 16/905077 [patent_app_country] => US [patent_app_date] => 2020-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15890 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 845 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16905077 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/905077
TRANSPORTABLE GRAVITATIONAL SYSTEM AND METHOD FOR GENERATING CONSISTENT ELECTRICAL POWER AND GENERATING MINIMIZED POLLUTION Jun 17, 2020 Abandoned
Array ( [id] => 16468970 [patent_doc_number] => 20200370507 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-26 [patent_title] => Closed Cycle Engine with Bottoming-Cycle System [patent_app_type] => utility [patent_app_number] => 16/899650 [patent_app_country] => US [patent_app_date] => 2020-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20271 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16899650 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/899650
Closed cycle engine with bottoming-cycle system Jun 11, 2020 Issued
Array ( [id] => 17259422 [patent_doc_number] => 20210372407 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => Compressor Having Damped Scroll [patent_app_type] => utility [patent_app_number] => 16/886145 [patent_app_country] => US [patent_app_date] => 2020-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8728 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16886145 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/886145
Compressor having damped scroll May 27, 2020 Issued
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