Search

Christina Y. Leung

Examiner (ID: 13905, Phone: (571)272-3023 , Office: P/3992 )

Most Active Art Unit
2613
Art Unit(s)
3991, 2613, 2733, 2633, 3992
Total Applications
780
Issued Applications
499
Pending Applications
129
Abandoned Applications
156

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4003023 [patent_doc_number] => 05881555 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-16 [patent_title] => 'Exhaust pressure pulsation control apparatus for marine propulsion system' [patent_app_type] => 1 [patent_app_number] => 8/861126 [patent_app_country] => US [patent_app_date] => 1997-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 3877 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/881/05881555.pdf [firstpage_image] =>[orig_patent_app_number] => 861126 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/861126
Exhaust pressure pulsation control apparatus for marine propulsion system May 20, 1997 Issued
Array ( [id] => 4040327 [patent_doc_number] => 06006515 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-28 [patent_title] => 'Exhaust denitration device for diesel engine' [patent_app_type] => 1 [patent_app_number] => 8/836789 [patent_app_country] => US [patent_app_date] => 1997-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 3908 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/006/06006515.pdf [firstpage_image] =>[orig_patent_app_number] => 836789 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/836789
Exhaust denitration device for diesel engine May 18, 1997 Issued
Array ( [id] => 4056596 [patent_doc_number] => 05895205 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-20 [patent_title] => 'Method for repairing partitions of a turbine diaphragm' [patent_app_type] => 1 [patent_app_number] => 8/857748 [patent_app_country] => US [patent_app_date] => 1997-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3513 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/895/05895205.pdf [firstpage_image] =>[orig_patent_app_number] => 857748 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/857748
Method for repairing partitions of a turbine diaphragm May 15, 1997 Issued
Array ( [id] => 4018739 [patent_doc_number] => 05966928 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-19 [patent_title] => 'Particulate incinerating method and mechanism for exhaust black smoke removing system' [patent_app_type] => 1 [patent_app_number] => 8/856304 [patent_app_country] => US [patent_app_date] => 1997-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3510 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/966/05966928.pdf [firstpage_image] =>[orig_patent_app_number] => 856304 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/856304
Particulate incinerating method and mechanism for exhaust black smoke removing system May 13, 1997 Issued
Array ( [id] => 3911664 [patent_doc_number] => 05974799 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Hydrostatic continuously variable transmission' [patent_app_type] => 1 [patent_app_number] => 8/856193 [patent_app_country] => US [patent_app_date] => 1997-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 7626 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 389 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/974/05974799.pdf [firstpage_image] =>[orig_patent_app_number] => 856193 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/856193
Hydrostatic continuously variable transmission May 13, 1997 Issued
Array ( [id] => 4002694 [patent_doc_number] => 05924285 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-20 [patent_title] => 'Master cylinder tank' [patent_app_type] => 1 [patent_app_number] => 8/855323 [patent_app_country] => US [patent_app_date] => 1997-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1826 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/924/05924285.pdf [firstpage_image] =>[orig_patent_app_number] => 855323 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/855323
Master cylinder tank May 12, 1997 Issued
Array ( [id] => 1394852 [patent_doc_number] => 06510687 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-01-28 [patent_title] => 'Renewable resource hydro/aero-power generation plant and method of generating hydro/aero-power' [patent_app_type] => B1 [patent_app_number] => 08/854085 [patent_app_country] => US [patent_app_date] => 1997-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 53 [patent_no_of_words] => 43974 [patent_no_of_claims] => 48 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/510/06510687.pdf [firstpage_image] =>[orig_patent_app_number] => 08854085 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/854085
Renewable resource hydro/aero-power generation plant and method of generating hydro/aero-power May 8, 1997 Issued
Array ( [id] => 3992134 [patent_doc_number] => 05961282 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'Axial-flow and centrifugal pumping system' [patent_app_type] => 1 [patent_app_number] => 8/852566 [patent_app_country] => US [patent_app_date] => 1997-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4551 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 294 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/961/05961282.pdf [firstpage_image] =>[orig_patent_app_number] => 852566 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/852566
Axial-flow and centrifugal pumping system May 6, 1997 Issued
Array ( [id] => 4127886 [patent_doc_number] => 06101810 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-15 [patent_title] => 'Hydrodynamic coupling having constant quantity of working fluid and valve for displacing working fluid between a working space and a storage space' [patent_app_type] => 1 [patent_app_number] => 8/827653 [patent_app_country] => US [patent_app_date] => 1997-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 4171 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/101/06101810.pdf [firstpage_image] =>[orig_patent_app_number] => 827653 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/827653
Hydrodynamic coupling having constant quantity of working fluid and valve for displacing working fluid between a working space and a storage space Apr 9, 1997 Issued
Array ( [id] => 3985628 [patent_doc_number] => 05887428 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-30 [patent_title] => 'Gasket-less header for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/835007 [patent_app_country] => US [patent_app_date] => 1997-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1462 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/887/05887428.pdf [firstpage_image] =>[orig_patent_app_number] => 835007 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/835007
Gasket-less header for internal combustion engines Apr 6, 1997 Issued
Array ( [id] => 3865181 [patent_doc_number] => 05832722 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-10 [patent_title] => 'Method and apparatus for maintaining catalyst efficiency of a NO.sub.x trap' [patent_app_type] => 1 [patent_app_number] => 8/829291 [patent_app_country] => US [patent_app_date] => 1997-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2696 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/832/05832722.pdf [firstpage_image] =>[orig_patent_app_number] => 829291 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/829291
Method and apparatus for maintaining catalyst efficiency of a NO.sub.x trap Mar 30, 1997 Issued
Array ( [id] => 3917192 [patent_doc_number] => 05927941 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-27 [patent_title] => 'High-temperature motor pump' [patent_app_type] => 1 [patent_app_number] => 8/826335 [patent_app_country] => US [patent_app_date] => 1997-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1645 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/927/05927941.pdf [firstpage_image] =>[orig_patent_app_number] => 826335 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/826335
High-temperature motor pump Mar 26, 1997 Issued
Array ( [id] => 4049568 [patent_doc_number] => 05894725 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-20 [patent_title] => 'Method and apparatus for maintaining catalyst efficiency of a NO.sub.x trap' [patent_app_type] => 1 [patent_app_number] => 8/824628 [patent_app_country] => US [patent_app_date] => 1997-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4593 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/894/05894725.pdf [firstpage_image] =>[orig_patent_app_number] => 824628 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/824628
Method and apparatus for maintaining catalyst efficiency of a NO.sub.x trap Mar 26, 1997 Issued
Array ( [id] => 4222239 [patent_doc_number] => 06142739 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-07 [patent_title] => 'Turbine rotor blades' [patent_app_type] => 1 [patent_app_number] => 8/824206 [patent_app_country] => US [patent_app_date] => 1997-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2184 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/142/06142739.pdf [firstpage_image] =>[orig_patent_app_number] => 824206 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/824206
Turbine rotor blades Mar 24, 1997 Issued
Array ( [id] => 3921202 [patent_doc_number] => 05870891 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-16 [patent_title] => 'Method for monitoring the supply of secondary air to the exhaust gas of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/816378 [patent_app_country] => US [patent_app_date] => 1997-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1975 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/870/05870891.pdf [firstpage_image] =>[orig_patent_app_number] => 816378 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/816378
Method for monitoring the supply of secondary air to the exhaust gas of an internal combustion engine Mar 12, 1997 Issued
Array ( [id] => 3918721 [patent_doc_number] => 05938403 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-17 [patent_title] => 'Runner, water wheel and method of manufacturing the same' [patent_app_type] => 1 [patent_app_number] => 8/815853 [patent_app_country] => US [patent_app_date] => 1997-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 9189 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 18 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/938/05938403.pdf [firstpage_image] =>[orig_patent_app_number] => 815853 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/815853
Runner, water wheel and method of manufacturing the same Mar 11, 1997 Issued
Array ( [id] => 3897486 [patent_doc_number] => 05950425 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-14 [patent_title] => 'Exhaust manifold cooling' [patent_app_type] => 1 [patent_app_number] => 8/814549 [patent_app_country] => US [patent_app_date] => 1997-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 6071 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/950/05950425.pdf [firstpage_image] =>[orig_patent_app_number] => 814549 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/814549
Exhaust manifold cooling Mar 10, 1997 Issued
Array ( [id] => 4026028 [patent_doc_number] => 05873247 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-23 [patent_title] => 'Vehicle brake system with an electronically controllable brake booster' [patent_app_type] => 1 [patent_app_number] => 8/813468 [patent_app_country] => US [patent_app_date] => 1997-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3640 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/873/05873247.pdf [firstpage_image] =>[orig_patent_app_number] => 813468 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/813468
Vehicle brake system with an electronically controllable brake booster Mar 9, 1997 Issued
Array ( [id] => 4269352 [patent_doc_number] => 06182448 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-06 [patent_title] => 'Speed changing device for hydraulic driving apparatus and speed change control method thereof' [patent_app_type] => 1 [patent_app_number] => 8/793959 [patent_app_country] => US [patent_app_date] => 1997-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 33 [patent_no_of_words] => 10027 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/182/06182448.pdf [firstpage_image] =>[orig_patent_app_number] => 793959 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/793959
Speed changing device for hydraulic driving apparatus and speed change control method thereof Mar 6, 1997 Issued
Array ( [id] => 3991585 [patent_doc_number] => 05878574 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-09 [patent_title] => 'Master cylinder having nested concentric pistons' [patent_app_type] => 1 [patent_app_number] => 8/811658 [patent_app_country] => US [patent_app_date] => 1997-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 13 [patent_no_of_words] => 7848 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/878/05878574.pdf [firstpage_image] =>[orig_patent_app_number] => 811658 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/811658
Master cylinder having nested concentric pistons Mar 4, 1997 Issued
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