Search

Hoang M. Nguyen

Examiner (ID: 6971, Phone: (571)272-4861 , Office: P/3748 )

Most Active Art Unit
3748
Art Unit(s)
3401, 3746, 3745, 3748, 2899
Total Applications
5385
Issued Applications
4291
Pending Applications
357
Abandoned Applications
768

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6222191 [patent_doc_number] => 20100180593 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-22 [patent_title] => 'System for Closed-Loop Large Scale Geothermal Energy Harvesting' [patent_app_type] => utility [patent_app_number] => 12/245809 [patent_app_country] => US [patent_app_date] => 2009-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2082 [patent_no_of_claims] => 1 [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] => publications/A1/0180/20100180593.pdf [firstpage_image] =>[orig_patent_app_number] => 12245809 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/245809
System for Closed-Loop Large Scale Geothermal Energy Harvesting Jan 20, 2009 Abandoned
Array ( [id] => 7973847 [patent_doc_number] => 08069668 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-12-06 [patent_title] => 'Method and system for autonomous load sharing' [patent_app_type] => utility [patent_app_number] => 12/356128 [patent_app_country] => US [patent_app_date] => 2009-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5640 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/069/08069668.pdf [firstpage_image] =>[orig_patent_app_number] => 12356128 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/356128
Method and system for autonomous load sharing Jan 19, 2009 Issued
Array ( [id] => 5381978 [patent_doc_number] => 20090223222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-09-10 [patent_title] => 'External combustion engine' [patent_app_type] => utility [patent_app_number] => 12/321337 [patent_app_country] => US [patent_app_date] => 2009-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6361 [patent_no_of_claims] => 11 [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] => publications/A1/0223/20090223222.pdf [firstpage_image] =>[orig_patent_app_number] => 12321337 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/321337
External combustion engine Jan 18, 2009 Issued
Array ( [id] => 4609525 [patent_doc_number] => 07987670 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-02 [patent_title] => 'External combustion engine' [patent_app_type] => utility [patent_app_number] => 12/321122 [patent_app_country] => US [patent_app_date] => 2009-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6483 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 360 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/987/07987670.pdf [firstpage_image] =>[orig_patent_app_number] => 12321122 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/321122
External combustion engine Jan 14, 2009 Issued
Array ( [id] => 4463729 [patent_doc_number] => RE042371 [patent_country] => US [patent_kind] => E1 [patent_issue_date] => 2011-05-17 [patent_title] => 'Scroll machine' [patent_app_type] => reissue [patent_app_number] => 12/351536 [patent_app_country] => US [patent_app_date] => 2009-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4229 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/042/RE042371.pdf [firstpage_image] =>[orig_patent_app_number] => 12351536 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/351536
Scroll machine Jan 8, 2009 Issued
Array ( [id] => 6593146 [patent_doc_number] => 20100170247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-08 [patent_title] => 'Heat Integration in Coal Gasification and Methanation Reaction Process' [patent_app_type] => utility [patent_app_number] => 12/349127 [patent_app_country] => US [patent_app_date] => 2009-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3318 [patent_no_of_claims] => 12 [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] => publications/A1/0170/20100170247.pdf [firstpage_image] =>[orig_patent_app_number] => 12349127 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/349127
Heat integration in coal gasification and methanation reaction process Jan 5, 2009 Issued
Array ( [id] => 5524920 [patent_doc_number] => 20090194996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-06 [patent_title] => 'Water combustion technology - methods, processes, systems and apparatus for the combustion of Hydrogen and Oxygen' [patent_app_type] => utility [patent_app_number] => 12/319216 [patent_app_country] => US [patent_app_date] => 2009-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 22597 [patent_no_of_claims] => 26 [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] => publications/A1/0194/20090194996.pdf [firstpage_image] =>[orig_patent_app_number] => 12319216 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/319216
Water combustion technology - methods, processes, systems and apparatus for the combustion of Hydrogen and Oxygen Jan 1, 2009 Abandoned
Array ( [id] => 5523705 [patent_doc_number] => 20090193781 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-06 [patent_title] => 'Water combustion technology- methods, processes, systems and apparatus for the combustion of hydrogen and oxygen' [patent_app_type] => utility [patent_app_number] => 12/319217 [patent_app_country] => US [patent_app_date] => 2009-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 22610 [patent_no_of_claims] => 20 [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] => publications/A1/0193/20090193781.pdf [firstpage_image] =>[orig_patent_app_number] => 12319217 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/319217
Water combustion technology- methods, processes, systems and apparatus for the combustion of hydrogen and oxygen Jan 1, 2009 Abandoned
Array ( [id] => 6384422 [patent_doc_number] => 20100162705 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-01 [patent_title] => 'METHODS, SYSTEMS AND/OR APPARATUS RELATING TO STEAM TURBINE EXHAUST DIFFUSERS' [patent_app_type] => utility [patent_app_number] => 12/346348 [patent_app_country] => US [patent_app_date] => 2008-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1882 [patent_no_of_claims] => 20 [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] => publications/A1/0162/20100162705.pdf [firstpage_image] =>[orig_patent_app_number] => 12346348 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/346348
METHODS, SYSTEMS AND/OR APPARATUS RELATING TO STEAM TURBINE EXHAUST DIFFUSERS Dec 29, 2008 Abandoned
Array ( [id] => 8243491 [patent_doc_number] => 08201409 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2012-06-19 [patent_title] => 'Closed loop, hot dry rock heat recovery fluid' [patent_app_type] => utility [patent_app_number] => 12/342401 [patent_app_country] => US [patent_app_date] => 2008-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2122 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/201/08201409.pdf [firstpage_image] =>[orig_patent_app_number] => 12342401 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/342401
Closed loop, hot dry rock heat recovery fluid Dec 22, 2008 Issued
Array ( [id] => 4642782 [patent_doc_number] => 08020382 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2011-09-20 [patent_title] => 'Closed loop, hot dry rock heat recovery process' [patent_app_type] => utility [patent_app_number] => 12/342431 [patent_app_country] => US [patent_app_date] => 2008-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4275 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/020/08020382.pdf [firstpage_image] =>[orig_patent_app_number] => 12342431 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/342431
Closed loop, hot dry rock heat recovery process Dec 22, 2008 Issued
Array ( [id] => 8711363 [patent_doc_number] => 08397496 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-03-19 [patent_title] => 'Buoyancy engine using a segmented chain' [patent_app_type] => utility [patent_app_number] => 12/338741 [patent_app_country] => US [patent_app_date] => 2008-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 28 [patent_no_of_words] => 3380 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12338741 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/338741
Buoyancy engine using a segmented chain Dec 17, 2008 Issued
Array ( [id] => 6056936 [patent_doc_number] => 20110197584 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-18 [patent_title] => 'BEAM DOWN SYSTEM SOLAR GENERATION DEVICE' [patent_app_type] => utility [patent_app_number] => 12/809406 [patent_app_country] => US [patent_app_date] => 2008-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2770 [patent_no_of_claims] => 4 [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] => publications/A1/0197/20110197584.pdf [firstpage_image] =>[orig_patent_app_number] => 12809406 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/809406
BEAM DOWN SYSTEM SOLAR GENERATION DEVICE Dec 17, 2008 Abandoned
Array ( [id] => 6392669 [patent_doc_number] => 20100146975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-17 [patent_title] => 'Electric-steam propulsion system' [patent_app_type] => utility [patent_app_number] => 12/316873 [patent_app_country] => US [patent_app_date] => 2008-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1961 [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] => publications/A1/0146/20100146975.pdf [firstpage_image] =>[orig_patent_app_number] => 12316873 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/316873
Electric-steam propulsion system Dec 16, 2008 Abandoned
Array ( [id] => 5388017 [patent_doc_number] => 20090205329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-20 [patent_title] => 'Heat engine matched to cheap heat source or sink' [patent_app_type] => utility [patent_app_number] => 12/316870 [patent_app_country] => US [patent_app_date] => 2008-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1165 [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] => publications/A1/0205/20090205329.pdf [firstpage_image] =>[orig_patent_app_number] => 12316870 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/316870
Heat engine matched to cheap heat source or sink Dec 16, 2008 Abandoned
Array ( [id] => 5499503 [patent_doc_number] => 20090160191 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-06-25 [patent_title] => 'System for producing energy through the action of waves' [patent_app_type] => utility [patent_app_number] => 12/316772 [patent_app_country] => US [patent_app_date] => 2008-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 10074 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0160/20090160191.pdf [firstpage_image] =>[orig_patent_app_number] => 12316772 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/316772
System for producing energy through the action of waves Dec 14, 2008 Issued
Array ( [id] => 6571235 [patent_doc_number] => 20100307150 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-09 [patent_title] => 'ELECTROTHERMAL MICROACTUATOR FOR LARGE VERTICAL DISPLACEMENT WITHOUT TILT OR LATERAL SHIFT' [patent_app_type] => utility [patent_app_number] => 12/743499 [patent_app_country] => US [patent_app_date] => 2008-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 4228 [patent_no_of_claims] => 34 [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] => publications/A1/0307/20100307150.pdf [firstpage_image] =>[orig_patent_app_number] => 12743499 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/743499
Electrothermal microactuator for large vertical displacement without tilt or lateral shift Dec 14, 2008 Issued
Array ( [id] => 6528638 [patent_doc_number] => 20100043435 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-25 [patent_title] => 'Methods for Enhancing Efficiency of Steam-Based Generating Systems' [patent_app_type] => utility [patent_app_number] => 12/333658 [patent_app_country] => US [patent_app_date] => 2008-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 19121 [patent_no_of_claims] => 12 [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] => publications/A1/0043/20100043435.pdf [firstpage_image] =>[orig_patent_app_number] => 12333658 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/333658
Methods for enhancing efficiency of steam-based generating systems Dec 11, 2008 Issued
Array ( [id] => 6337613 [patent_doc_number] => 20100083653 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-08 [patent_title] => 'Mass Damper' [patent_app_type] => utility [patent_app_number] => 12/333762 [patent_app_country] => US [patent_app_date] => 2008-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3774 [patent_no_of_claims] => 26 [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] => publications/A1/0083/20100083653.pdf [firstpage_image] =>[orig_patent_app_number] => 12333762 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/333762
Mass Damper Dec 11, 2008 Abandoned
Array ( [id] => 7483949 [patent_doc_number] => 08028526 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-10-04 [patent_title] => 'Geared boiler feed pump drive' [patent_app_type] => utility [patent_app_number] => 12/330310 [patent_app_country] => US [patent_app_date] => 2008-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3650 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/028/08028526.pdf [firstpage_image] =>[orig_patent_app_number] => 12330310 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/330310
Geared boiler feed pump drive Dec 7, 2008 Issued
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