Search

Duc T. Doan

Examiner (ID: 11448, Phone: (571)272-4171 , Office: P/2135 )

Most Active Art Unit
2185
Art Unit(s)
2185, 2188, 2135
Total Applications
730
Issued Applications
596
Pending Applications
8
Abandoned Applications
129

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 5723375 [patent_doc_number] => 20060054135 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-16 [patent_title] => 'Engine cogeneration system' [patent_app_type] => utility [patent_app_number] => 11/265251 [patent_app_country] => US [patent_app_date] => 2005-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 5825 [patent_no_of_claims] => 4 [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/A1/0054/20060054135.pdf [firstpage_image] =>[orig_patent_app_number] => 11265251 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/265251
Engine cogeneration system Nov 2, 2005 Issued
Array ( [id] => 5735150 [patent_doc_number] => 20060005540 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-01-12 [patent_title] => 'System for limiting rotational speed of a turbocharger' [patent_app_type] => utility [patent_app_number] => 11/223331 [patent_app_country] => US [patent_app_date] => 2005-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7955 [patent_no_of_claims] => 25 [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/A1/0005/20060005540.pdf [firstpage_image] =>[orig_patent_app_number] => 11223331 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/223331
System for limiting rotational speed of a turbocharger Sep 8, 2005 Issued
Array ( [id] => 5795798 [patent_doc_number] => 20060032475 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-02-16 [patent_title] => 'Rotary piston machine with an oval rotary piston guided in an oval chamber' [patent_app_type] => utility [patent_app_number] => 11/212496 [patent_app_country] => US [patent_app_date] => 2005-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6592 [patent_no_of_claims] => 7 [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/A1/0032/20060032475.pdf [firstpage_image] =>[orig_patent_app_number] => 11212496 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/212496
Rotary piston machine with an oval rotary piston guided in an oval chamber Aug 25, 2005 Issued
Array ( [id] => 7222432 [patent_doc_number] => 20050268606 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-08 [patent_title] => 'STIRLING CYCLE ENGINE OR HEAT PUMP WITH IMPROVED HEAT EXCHANGER' [patent_app_type] => utility [patent_app_number] => 11/185566 [patent_app_country] => US [patent_app_date] => 2005-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2178 [patent_no_of_claims] => 7 [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/A1/0268/20050268606.pdf [firstpage_image] =>[orig_patent_app_number] => 11185566 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/185566
Stirling cycle engine or heat pump with improved heat exchanger Jul 19, 2005 Issued
Array ( [id] => 769840 [patent_doc_number] => 07000393 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-02-21 [patent_title] => 'System and method for relieving engine back-pressure by selectively bypassing a stage of a two-stage turbocharger during non-use of EGR' [patent_app_type] => utility [patent_app_number] => 11/106994 [patent_app_country] => US [patent_app_date] => 2005-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4443 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/000/07000393.pdf [firstpage_image] =>[orig_patent_app_number] => 11106994 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/106994
System and method for relieving engine back-pressure by selectively bypassing a stage of a two-stage turbocharger during non-use of EGR Apr 13, 2005 Issued
Array ( [id] => 684611 [patent_doc_number] => 07076954 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-07-18 [patent_title] => 'Turbocharger system' [patent_app_type] => utility [patent_app_number] => 11/094276 [patent_app_country] => US [patent_app_date] => 2005-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7912 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/076/07076954.pdf [firstpage_image] =>[orig_patent_app_number] => 11094276 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/094276
Turbocharger system Mar 30, 2005 Issued
Array ( [id] => 715661 [patent_doc_number] => 07047743 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-05-23 [patent_title] => 'Electric turbo compound configuration for an engine/electric generator system' [patent_app_type] => utility [patent_app_number] => 11/079804 [patent_app_country] => US [patent_app_date] => 2005-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1032 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/047/07047743.pdf [firstpage_image] =>[orig_patent_app_number] => 11079804 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/079804
Electric turbo compound configuration for an engine/electric generator system Mar 13, 2005 Issued
Array ( [id] => 756743 [patent_doc_number] => 07010914 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-03-14 [patent_title] => 'Method for controlling boost pressure in a turbocharged diesel engine' [patent_app_type] => utility [patent_app_number] => 11/072483 [patent_app_country] => US [patent_app_date] => 2005-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2641 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/010/07010914.pdf [firstpage_image] =>[orig_patent_app_number] => 11072483 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/072483
Method for controlling boost pressure in a turbocharged diesel engine Mar 3, 2005 Issued
Array ( [id] => 6941927 [patent_doc_number] => 20050193975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-08 [patent_title] => 'Rotary engine' [patent_app_type] => utility [patent_app_number] => 11/063656 [patent_app_country] => US [patent_app_date] => 2005-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4536 [patent_no_of_claims] => 5 [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/A1/0193/20050193975.pdf [firstpage_image] =>[orig_patent_app_number] => 11063656 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/063656
Rotary engine Feb 22, 2005 Abandoned
Array ( [id] => 6908870 [patent_doc_number] => 20050172628 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-11 [patent_title] => 'Boost pressure estimation apparatus for internal combustion engine with supercharger' [patent_app_type] => utility [patent_app_number] => 11/048884 [patent_app_country] => US [patent_app_date] => 2005-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 6659 [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/A1/0172/20050172628.pdf [firstpage_image] =>[orig_patent_app_number] => 11048884 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/048884
Boost pressure estimation apparatus for internal combustion engine with supercharger Feb 2, 2005 Issued
Array ( [id] => 684612 [patent_doc_number] => 07076955 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-07-18 [patent_title] => 'Method for operating an internal combustion engine having at least two exhaust-gas turbochargers' [patent_app_type] => utility [patent_app_number] => 11/045174 [patent_app_country] => US [patent_app_date] => 2005-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 6838 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/076/07076955.pdf [firstpage_image] =>[orig_patent_app_number] => 11045174 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/045174
Method for operating an internal combustion engine having at least two exhaust-gas turbochargers Jan 26, 2005 Issued
Array ( [id] => 7047531 [patent_doc_number] => 20050183418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-25 [patent_title] => 'Power cycle and system for utilizing moderate and low temperature heat sources' [patent_app_type] => utility [patent_app_number] => 11/043894 [patent_app_country] => US [patent_app_date] => 2005-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9178 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0183/20050183418.pdf [firstpage_image] =>[orig_patent_app_number] => 11043894 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/043894
Power cycle and system for utilizing moderate and low temperature heat sources Jan 25, 2005 Issued
Array ( [id] => 7173924 [patent_doc_number] => 20050188943 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-01 [patent_title] => 'System and method for customizing a rotary engine for marine vessel propulsion' [patent_app_type] => utility [patent_app_number] => 11/043548 [patent_app_country] => US [patent_app_date] => 2005-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4246 [patent_no_of_claims] => 22 [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/A1/0188/20050188943.pdf [firstpage_image] =>[orig_patent_app_number] => 11043548 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/043548
System and method for customizing a rotary engine for marine vessel propulsion Jan 25, 2005 Abandoned
Array ( [id] => 7138037 [patent_doc_number] => 20050115235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-02 [patent_title] => 'Shape memory alloy actuator' [patent_app_type] => utility [patent_app_number] => 11/029601 [patent_app_country] => US [patent_app_date] => 2005-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4571 [patent_no_of_claims] => 21 [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/A1/0115/20050115235.pdf [firstpage_image] =>[orig_patent_app_number] => 11029601 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/029601
Shape memory alloy actuator Jan 4, 2005 Abandoned
Array ( [id] => 684605 [patent_doc_number] => 07076952 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-07-18 [patent_title] => 'Supercharged internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/028244 [patent_app_country] => US [patent_app_date] => 2005-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 9395 [patent_no_of_claims] => 51 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/076/07076952.pdf [firstpage_image] =>[orig_patent_app_number] => 11028244 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/028244
Supercharged internal combustion engine Jan 1, 2005 Issued
Array ( [id] => 719686 [patent_doc_number] => 07043912 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-05-16 [patent_title] => 'Apparatus for extracting exhaust heat from waste heat sources while preventing backflow and corrosion' [patent_app_type] => utility [patent_app_number] => 11/025756 [patent_app_country] => US [patent_app_date] => 2004-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2131 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/043/07043912.pdf [firstpage_image] =>[orig_patent_app_number] => 11025756 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/025756
Apparatus for extracting exhaust heat from waste heat sources while preventing backflow and corrosion Dec 26, 2004 Issued
Array ( [id] => 5651603 [patent_doc_number] => 20060137338 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-06-29 [patent_title] => 'System for obtaining rotational energy from ambient forces' [patent_app_type] => utility [patent_app_number] => 11/023154 [patent_app_country] => US [patent_app_date] => 2004-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1196 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0137/20060137338.pdf [firstpage_image] =>[orig_patent_app_number] => 11023154 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/023154
System for obtaining rotational energy from ambient forces Dec 26, 2004 Issued
Array ( [id] => 695945 [patent_doc_number] => 07066157 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-06-27 [patent_title] => 'Supercharge control apparatus and supercharge control method for supercharged internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/021665 [patent_app_country] => US [patent_app_date] => 2004-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 6603 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/066/07066157.pdf [firstpage_image] =>[orig_patent_app_number] => 11021665 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/021665
Supercharge control apparatus and supercharge control method for supercharged internal combustion engine Dec 22, 2004 Issued
Array ( [id] => 752196 [patent_doc_number] => 07013639 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-03-21 [patent_title] => 'Heat differential power system' [patent_app_type] => utility [patent_app_number] => 11/017024 [patent_app_country] => US [patent_app_date] => 2004-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4666 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/013/07013639.pdf [firstpage_image] =>[orig_patent_app_number] => 11017024 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/017024
Heat differential power system Dec 19, 2004 Issued
Array ( [id] => 5644743 [patent_doc_number] => 20060130475 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-06-22 [patent_title] => 'Power generator with floats' [patent_app_type] => utility [patent_app_number] => 11/012694 [patent_app_country] => US [patent_app_date] => 2004-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1800 [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] => publications/A1/0130/20060130475.pdf [firstpage_image] =>[orig_patent_app_number] => 11012694 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/012694
Power generator with floats Dec 15, 2004 Abandoned
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