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] => 3928795 [patent_doc_number] => 05997247 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'Seal of stacked thin slabs that slide within reception slots' [patent_app_type] => 1 [patent_app_number] => 9/006956 [patent_app_country] => US [patent_app_date] => 1998-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1153 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/997/05997247.pdf [firstpage_image] =>[orig_patent_app_number] => 006956 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/006956
Seal of stacked thin slabs that slide within reception slots Jan 13, 1998 Issued
Array ( [id] => 3927134 [patent_doc_number] => 05975846 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Pump for washing-machines, tumble-driers, dishwashers and suchlike' [patent_app_type] => 1 [patent_app_number] => 9/005643 [patent_app_country] => US [patent_app_date] => 1998-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1617 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/975/05975846.pdf [firstpage_image] =>[orig_patent_app_number] => 005643 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/005643
Pump for washing-machines, tumble-driers, dishwashers and suchlike Jan 11, 1998 Issued
Array ( [id] => 4013938 [patent_doc_number] => 05941159 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-24 [patent_title] => 'Integral holdown pin mechanism for hydraulic power units' [patent_app_type] => 1 [patent_app_number] => 9/005253 [patent_app_country] => US [patent_app_date] => 1998-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 1830 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/941/05941159.pdf [firstpage_image] =>[orig_patent_app_number] => 005253 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/005253
Integral holdown pin mechanism for hydraulic power units Jan 8, 1998 Issued
Array ( [id] => 4030703 [patent_doc_number] => 05967749 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-19 [patent_title] => 'Controllable pitch propeller arrangement' [patent_app_type] => 1 [patent_app_number] => 9/004433 [patent_app_country] => US [patent_app_date] => 1998-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 2 [patent_no_of_words] => 1591 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/967/05967749.pdf [firstpage_image] =>[orig_patent_app_number] => 004433 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/004433
Controllable pitch propeller arrangement Jan 7, 1998 Issued
Array ( [id] => 4194233 [patent_doc_number] => 06077041 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-20 [patent_title] => 'Reduction drive and torque-limiting clutch for autogyro aircraft' [patent_app_type] => 1 [patent_app_number] => 9/004499 [patent_app_country] => US [patent_app_date] => 1998-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 2800 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/077/06077041.pdf [firstpage_image] =>[orig_patent_app_number] => 004499 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/004499
Reduction drive and torque-limiting clutch for autogyro aircraft Jan 7, 1998 Issued
Array ( [id] => 3982729 [patent_doc_number] => 05919032 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-06 [patent_title] => 'Bladed disk with three-root blades' [patent_app_type] => 1 [patent_app_number] => 9/003635 [patent_app_country] => US [patent_app_date] => 1998-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 1696 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/919/05919032.pdf [firstpage_image] =>[orig_patent_app_number] => 003635 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/003635
Bladed disk with three-root blades Jan 6, 1998 Issued
Array ( [id] => 3964583 [patent_doc_number] => 05983775 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Swash-plate compressor in which improvement is made as regards a connection mechanism between a piston and a swash plate' [patent_app_type] => 1 [patent_app_number] => 9/003876 [patent_app_country] => US [patent_app_date] => 1998-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2602 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/983/05983775.pdf [firstpage_image] =>[orig_patent_app_number] => 003876 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/003876
Swash-plate compressor in which improvement is made as regards a connection mechanism between a piston and a swash plate Jan 6, 1998 Issued
Array ( [id] => 3919079 [patent_doc_number] => 05971708 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-26 [patent_title] => 'Branch cooled turbine airfoil' [patent_app_type] => 1 [patent_app_number] => 9/001658 [patent_app_country] => US [patent_app_date] => 1997-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2841 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/971/05971708.pdf [firstpage_image] =>[orig_patent_app_number] => 001658 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/001658
Branch cooled turbine airfoil Dec 30, 1997 Issued
Array ( [id] => 3887797 [patent_doc_number] => 05896744 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-27 [patent_title] => 'Compulsory discharging device for exhaust of vehicle' [patent_app_type] => 1 [patent_app_number] => 9/001879 [patent_app_country] => US [patent_app_date] => 1997-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2039 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/896/05896744.pdf [firstpage_image] =>[orig_patent_app_number] => 001879 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/001879
Compulsory discharging device for exhaust of vehicle Dec 30, 1997 Issued
Array ( [id] => 4030756 [patent_doc_number] => 05967752 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-19 [patent_title] => 'Slant-tier turbine airfoil' [patent_app_type] => 1 [patent_app_number] => 9/001659 [patent_app_country] => US [patent_app_date] => 1997-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4359 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/967/05967752.pdf [firstpage_image] =>[orig_patent_app_number] => 001659 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/001659
Slant-tier turbine airfoil Dec 30, 1997 Issued
Array ( [id] => 3991608 [patent_doc_number] => 06004096 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-21 [patent_title] => 'Hydro-surge bowl valve' [patent_app_type] => 1 [patent_app_number] => 9/001018 [patent_app_country] => US [patent_app_date] => 1997-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 17 [patent_no_of_words] => 3601 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/004/06004096.pdf [firstpage_image] =>[orig_patent_app_number] => 001018 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/001018
Hydro-surge bowl valve Dec 29, 1997 Issued
Array ( [id] => 3904839 [patent_doc_number] => 05979163 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-09 [patent_title] => 'Rotationally pivotal motion controller' [patent_app_type] => 1 [patent_app_number] => 8/999461 [patent_app_country] => US [patent_app_date] => 1997-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 16 [patent_no_of_words] => 4877 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/979/05979163.pdf [firstpage_image] =>[orig_patent_app_number] => 999461 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/999461
Rotationally pivotal motion controller Dec 28, 1997 Issued
Array ( [id] => 3977194 [patent_doc_number] => 05984630 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Reduced windage high pressure turbine forward outer seal' [patent_app_type] => 1 [patent_app_number] => 8/997833 [patent_app_country] => US [patent_app_date] => 1997-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1287 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/984/05984630.pdf [firstpage_image] =>[orig_patent_app_number] => 997833 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/997833
Reduced windage high pressure turbine forward outer seal Dec 23, 1997 Issued
Array ( [id] => 4081480 [patent_doc_number] => 06095752 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-01 [patent_title] => 'Centrifugal blower impeller, especially for a heating and ventilating, and/or air conditioning, system for a motor vehicle' [patent_app_type] => 1 [patent_app_number] => 8/996969 [patent_app_country] => US [patent_app_date] => 1997-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1579 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/095/06095752.pdf [firstpage_image] =>[orig_patent_app_number] => 996969 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/996969
Centrifugal blower impeller, especially for a heating and ventilating, and/or air conditioning, system for a motor vehicle Dec 22, 1997 Issued
Array ( [id] => 3963002 [patent_doc_number] => 05947688 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-07 [patent_title] => 'Frequency tuned hybrid blade' [patent_app_type] => 1 [patent_app_number] => 8/995975 [patent_app_country] => US [patent_app_date] => 1997-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3954 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/947/05947688.pdf [firstpage_image] =>[orig_patent_app_number] => 995975 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/995975
Frequency tuned hybrid blade Dec 21, 1997 Issued
Array ( [id] => 3977151 [patent_doc_number] => 05984627 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Seal/bearing apparatus' [patent_app_type] => 1 [patent_app_number] => 8/973849 [patent_app_country] => US [patent_app_date] => 1997-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 2681 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/984/05984627.pdf [firstpage_image] =>[orig_patent_app_number] => 973849 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/973849
Seal/bearing apparatus Dec 18, 1997 Issued
Array ( [id] => 3796558 [patent_doc_number] => 05810559 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-22 [patent_title] => 'Reactor coolant pump safety shroud' [patent_app_type] => 1 [patent_app_number] => 8/993836 [patent_app_country] => US [patent_app_date] => 1997-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2013 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/810/05810559.pdf [firstpage_image] =>[orig_patent_app_number] => 993836 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/993836
Reactor coolant pump safety shroud Dec 17, 1997 Issued
Array ( [id] => 3977276 [patent_doc_number] => 05984636 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Cooling arrangement for turbine rotor' [patent_app_type] => 1 [patent_app_number] => 8/994013 [patent_app_country] => US [patent_app_date] => 1997-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2668 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/984/05984636.pdf [firstpage_image] =>[orig_patent_app_number] => 994013 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/994013
Cooling arrangement for turbine rotor Dec 17, 1997 Issued
Array ( [id] => 3926853 [patent_doc_number] => 05988978 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Method and apparatus for balancing a ceiling fan' [patent_app_type] => 1 [patent_app_number] => 8/992895 [patent_app_country] => US [patent_app_date] => 1997-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 5839 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/988/05988978.pdf [firstpage_image] =>[orig_patent_app_number] => 992895 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/992895
Method and apparatus for balancing a ceiling fan Dec 17, 1997 Issued
Array ( [id] => 3964612 [patent_doc_number] => 05983777 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Method and apparatus for diaphragm pumping with adjustable flow' [patent_app_type] => 1 [patent_app_number] => 8/992986 [patent_app_country] => US [patent_app_date] => 1997-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1697 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/983/05983777.pdf [firstpage_image] =>[orig_patent_app_number] => 992986 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/992986
Method and apparatus for diaphragm pumping with adjustable flow Dec 17, 1997 Issued
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