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] => 6199926 [patent_doc_number] => 20110062712 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-17 [patent_title] => 'HYBRID POWER GENERATION CYCLE SYSTEMS AND METHODS' [patent_app_type] => utility [patent_app_number] => 12/751830 [patent_app_country] => US [patent_app_date] => 2010-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2737 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0062/20110062712.pdf [firstpage_image] =>[orig_patent_app_number] => 12751830 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/751830
Hybrid power generation cycle systems and methods Mar 30, 2010 Issued
Array ( [id] => 6222175 [patent_doc_number] => 20100180587 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-22 [patent_title] => 'Power production employing buoyancy, gravity and kinetic energy' [patent_app_type] => utility [patent_app_number] => 12/748556 [patent_app_country] => US [patent_app_date] => 2010-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6086 [patent_no_of_claims] => 10 [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/A1/0180/20100180587.pdf [firstpage_image] =>[orig_patent_app_number] => 12748556 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/748556
Power production employing buoyancy, gravity and kinetic energy Mar 28, 2010 Issued
Array ( [id] => 8519078 [patent_doc_number] => 20120318486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-20 [patent_title] => 'HEAT EXCHANGER FOR STIRLING ENGINE' [patent_app_type] => utility [patent_app_number] => 13/578920 [patent_app_country] => US [patent_app_date] => 2010-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 14730 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13578920 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/578920
Heat exchanger for stirling engine Mar 25, 2010 Issued
Array ( [id] => 9353148 [patent_doc_number] => 08671675 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-03-18 [patent_title] => 'Wave powered electric generator system' [patent_app_type] => utility [patent_app_number] => 12/730578 [patent_app_country] => US [patent_app_date] => 2010-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 2950 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12730578 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/730578
Wave powered electric generator system Mar 23, 2010 Issued
Array ( [id] => 6315017 [patent_doc_number] => 20100242475 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-30 [patent_title] => 'Systems and Methods of Thermal-Electric Power Generation Including Latent Heat Utilization Features' [patent_app_type] => utility [patent_app_number] => 12/720654 [patent_app_country] => US [patent_app_date] => 2010-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4628 [patent_no_of_claims] => 30 [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/A1/0242/20100242475.pdf [firstpage_image] =>[orig_patent_app_number] => 12720654 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/720654
Systems and Methods of Thermal-Electric Power Generation Including Latent Heat Utilization Features Mar 8, 2010 Abandoned
Array ( [id] => 6081122 [patent_doc_number] => 20110214426 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-09-08 [patent_title] => 'TURBINE SYSTEM INCLUDING VALVE FOR LEAK OFF LINE FOR CONTROLLING SEAL STEAM FLOW' [patent_app_type] => utility [patent_app_number] => 12/715681 [patent_app_country] => US [patent_app_date] => 2010-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3109 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0214/20110214426.pdf [firstpage_image] =>[orig_patent_app_number] => 12715681 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/715681
Turbine system including valve for leak off line for controlling seal steam flow Mar 1, 2010 Issued
Array ( [id] => 9586990 [patent_doc_number] => 08776521 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-07-15 [patent_title] => 'Systems and methods for prewarming heat recovery steam generator piping' [patent_app_type] => utility [patent_app_number] => 12/713213 [patent_app_country] => US [patent_app_date] => 2010-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2056 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12713213 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/713213
Systems and methods for prewarming heat recovery steam generator piping Feb 25, 2010 Issued
Array ( [id] => 9164637 [patent_doc_number] => 08590307 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-11-26 [patent_title] => 'Auto optimizing control system for organic rankine cycle plants' [patent_app_type] => utility [patent_app_number] => 12/712954 [patent_app_country] => US [patent_app_date] => 2010-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2763 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12712954 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/712954
Auto optimizing control system for organic rankine cycle plants Feb 24, 2010 Issued
Array ( [id] => 4529718 [patent_doc_number] => 07874155 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-01-25 [patent_title] => 'Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression' [patent_app_type] => utility [patent_app_number] => 12/712799 [patent_app_country] => US [patent_app_date] => 2010-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 88 [patent_figures_cnt] => 100 [patent_no_of_words] => 35600 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/874/07874155.pdf [firstpage_image] =>[orig_patent_app_number] => 12712799 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/712799
Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression Feb 24, 2010 Issued
Array ( [id] => 9284143 [patent_doc_number] => 08640461 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-02-04 [patent_title] => 'Heat exchangers and tower structure for density-driven power generation' [patent_app_type] => utility [patent_app_number] => 12/709215 [patent_app_country] => US [patent_app_date] => 2010-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 23 [patent_no_of_words] => 12613 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 620 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12709215 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/709215
Heat exchangers and tower structure for density-driven power generation Feb 18, 2010 Issued
Array ( [id] => 6600741 [patent_doc_number] => 20100223925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-09 [patent_title] => 'SOLAR THERMAL RECEIVER AND SOLAR THERMAL POWER GENERATION FACILITY' [patent_app_type] => utility [patent_app_number] => 12/708158 [patent_app_country] => US [patent_app_date] => 2010-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6236 [patent_no_of_claims] => 8 [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/A1/0223/20100223925.pdf [firstpage_image] =>[orig_patent_app_number] => 12708158 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/708158
SOLAR THERMAL RECEIVER AND SOLAR THERMAL POWER GENERATION FACILITY Feb 17, 2010 Abandoned
Array ( [id] => 6400334 [patent_doc_number] => 20100139276 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-10 [patent_title] => 'Method of Efficiency and Emissions Performance Improvement for the Simple Steam Cycle' [patent_app_type] => utility [patent_app_number] => 12/707206 [patent_app_country] => US [patent_app_date] => 2010-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 8996 [patent_no_of_claims] => 39 [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/A1/0139/20100139276.pdf [firstpage_image] =>[orig_patent_app_number] => 12707206 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/707206
Method of efficiency and emissions performance improvement for the simple steam cycle Feb 16, 2010 Issued
Array ( [id] => 6402130 [patent_doc_number] => 20100139613 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-10 [patent_title] => 'PLASMA-VORTEX ENGINE AND METHOD OF OPERATION THEREFOR' [patent_app_type] => utility [patent_app_number] => 12/705731 [patent_app_country] => US [patent_app_date] => 2010-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 8176 [patent_no_of_claims] => 22 [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/A1/0139/20100139613.pdf [firstpage_image] =>[orig_patent_app_number] => 12705731 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/705731
Plasma-vortex engine and method of operation therefor Feb 14, 2010 Issued
Array ( [id] => 6483059 [patent_doc_number] => 20100199661 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-08-12 [patent_title] => 'Control Valve for a Stirling Engine' [patent_app_type] => utility [patent_app_number] => 12/703447 [patent_app_country] => US [patent_app_date] => 2010-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6243 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0199/20100199661.pdf [firstpage_image] =>[orig_patent_app_number] => 12703447 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/703447
Control valve for a stirling engine Feb 9, 2010 Issued
Array ( [id] => 8992941 [patent_doc_number] => 08516813 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-27 [patent_title] => 'Rod seal assembly for a stirling engine' [patent_app_type] => utility [patent_app_number] => 12/703380 [patent_app_country] => US [patent_app_date] => 2010-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 6246 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12703380 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/703380
Rod seal assembly for a stirling engine Feb 9, 2010 Issued
Array ( [id] => 6169807 [patent_doc_number] => 20110196542 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-11 [patent_title] => 'SYSTEMS AND METHODS FOR PROVIDING BACKUP ENERGY TO A LOAD' [patent_app_type] => utility [patent_app_number] => 12/703026 [patent_app_country] => US [patent_app_date] => 2010-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 11010 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0196/20110196542.pdf [firstpage_image] =>[orig_patent_app_number] => 12703026 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/703026
Systems and methods for providing backup energy to a load Feb 8, 2010 Issued
Array ( [id] => 6106325 [patent_doc_number] => 20110187113 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-04 [patent_title] => 'HYDRO-ELECTRIC SYSTEM AND DEVICE FOR PRODUCING ENERGY' [patent_app_type] => utility [patent_app_number] => 12/699963 [patent_app_country] => US [patent_app_date] => 2010-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7704 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0187/20110187113.pdf [firstpage_image] =>[orig_patent_app_number] => 12699963 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/699963
HYDRO-ELECTRIC SYSTEM AND DEVICE FOR PRODUCING ENERGY Feb 3, 2010 Abandoned
Array ( [id] => 6384327 [patent_doc_number] => 20100162697 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-01 [patent_title] => ' STIRLING ENGINE AND ASSOCIATED METHODS' [patent_app_type] => utility [patent_app_number] => 12/700481 [patent_app_country] => US [patent_app_date] => 2010-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 8036 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0162/20100162697.pdf [firstpage_image] =>[orig_patent_app_number] => 12700481 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/700481
STIRLING ENGINE AND ASSOCIATED METHODS Feb 3, 2010 Abandoned
Array ( [id] => 9411310 [patent_doc_number] => 08695344 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-15 [patent_title] => 'Systems, methods and apparatuses for converting thermal energy into mechanical and electrical power' [patent_app_type] => utility [patent_app_number] => 12/698357 [patent_app_country] => US [patent_app_date] => 2010-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 14926 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 430 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12698357 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/698357
Systems, methods and apparatuses for converting thermal energy into mechanical and electrical power Feb 1, 2010 Issued
Array ( [id] => 6483018 [patent_doc_number] => 20100199657 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-08-12 [patent_title] => 'THERMAL IMPROVEMENTS FOR AN EXTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/698400 [patent_app_country] => US [patent_app_date] => 2010-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 8174 [patent_no_of_claims] => 8 [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/A1/0199/20100199657.pdf [firstpage_image] =>[orig_patent_app_number] => 12698400 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/698400
THERMAL IMPROVEMENTS FOR AN EXTERNAL COMBUSTION ENGINE Feb 1, 2010 Abandoned
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