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] => 4058774 [patent_doc_number] => 06068245 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-30 [patent_title] => 'Apparatus and method for cushioning the action of draw dies operating in a stamping press and the like' [patent_app_type] => 1 [patent_app_number] => 9/154132 [patent_app_country] => US [patent_app_date] => 1998-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 8408 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/068/06068245.pdf [firstpage_image] =>[orig_patent_app_number] => 154132 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/154132
Apparatus and method for cushioning the action of draw dies operating in a stamping press and the like Sep 15, 1998 Issued
Array ( [id] => 4368170 [patent_doc_number] => 06261053 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-17 [patent_title] => 'Cooling arrangement for gas-turbine components' [patent_app_type] => 1 [patent_app_number] => 9/151809 [patent_app_country] => US [patent_app_date] => 1998-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 6440 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/261/06261053.pdf [firstpage_image] =>[orig_patent_app_number] => 151809 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/151809
Cooling arrangement for gas-turbine components Sep 13, 1998 Issued
Array ( [id] => 4187534 [patent_doc_number] => 06012901 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-11 [patent_title] => 'Compressor impeller fastening for high speed turboengines' [patent_app_type] => 1 [patent_app_number] => 9/152519 [patent_app_country] => US [patent_app_date] => 1998-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3266 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/012/06012901.pdf [firstpage_image] =>[orig_patent_app_number] => 152519 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/152519
Compressor impeller fastening for high speed turboengines Sep 13, 1998 Issued
Array ( [id] => 4214260 [patent_doc_number] => 06089142 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-18 [patent_title] => 'Piston head for a hydraulic shock absorber' [patent_app_type] => 1 [patent_app_number] => 9/149592 [patent_app_country] => US [patent_app_date] => 1998-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1451 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/089/06089142.pdf [firstpage_image] =>[orig_patent_app_number] => 149592 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/149592
Piston head for a hydraulic shock absorber Sep 7, 1998 Issued
Array ( [id] => 4077680 [patent_doc_number] => 06098521 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-08 [patent_title] => 'Rodless cylinder' [patent_app_type] => 1 [patent_app_number] => 9/146423 [patent_app_country] => US [patent_app_date] => 1998-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 4605 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/098/06098521.pdf [firstpage_image] =>[orig_patent_app_number] => 146423 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/146423
Rodless cylinder Sep 2, 1998 Issued
Array ( [id] => 4368141 [patent_doc_number] => 06261051 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-17 [patent_title] => 'Fan duct combination unit' [patent_app_type] => 1 [patent_app_number] => 9/145458 [patent_app_country] => US [patent_app_date] => 1998-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 2584 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/261/06261051.pdf [firstpage_image] =>[orig_patent_app_number] => 145458 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/145458
Fan duct combination unit Sep 1, 1998 Issued
09/144993 HYDRAULIC SERVOMOTOR CONTROL ASSEMBLY Aug 31, 1998 Abandoned
Array ( [id] => 3917167 [patent_doc_number] => 05996467 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'Polymer-metal coatings for swashplate compressors' [patent_app_type] => 1 [patent_app_number] => 9/144482 [patent_app_country] => US [patent_app_date] => 1998-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 3567 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/996/05996467.pdf [firstpage_image] =>[orig_patent_app_number] => 144482 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/144482
Polymer-metal coatings for swashplate compressors Aug 30, 1998 Issued
Array ( [id] => 4079533 [patent_doc_number] => 06098647 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-08 [patent_title] => 'Load-holding brake valve' [patent_app_type] => 1 [patent_app_number] => 9/125977 [patent_app_country] => US [patent_app_date] => 1998-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 11826 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 839 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/098/06098647.pdf [firstpage_image] =>[orig_patent_app_number] => 125977 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/125977
Load-holding brake valve Aug 27, 1998 Issued
Array ( [id] => 3983432 [patent_doc_number] => 05960700 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'Replaceable mud pump piston seal' [patent_app_type] => 1 [patent_app_number] => 9/141173 [patent_app_country] => US [patent_app_date] => 1998-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2081 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/960/05960700.pdf [firstpage_image] =>[orig_patent_app_number] => 141173 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/141173
Replaceable mud pump piston seal Aug 25, 1998 Issued
09/136949 UNDERSPEED CONTROL SYSTEM FOR A HYDROMECHANICAL DRIVE SYSTEM AND METHOD OF OPERATING SAME Aug 19, 1998 Abandoned
Array ( [id] => 4061880 [patent_doc_number] => 06053089 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-25 [patent_title] => 'Hydraulic booster device' [patent_app_type] => 1 [patent_app_number] => 9/136593 [patent_app_country] => US [patent_app_date] => 1998-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3221 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/053/06053089.pdf [firstpage_image] =>[orig_patent_app_number] => 136593 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/136593
Hydraulic booster device Aug 18, 1998 Issued
Array ( [id] => 4179011 [patent_doc_number] => 06042334 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-28 [patent_title] => 'Compressor interstage seal' [patent_app_type] => 1 [patent_app_number] => 9/134828 [patent_app_country] => US [patent_app_date] => 1998-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2800 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/042/06042334.pdf [firstpage_image] =>[orig_patent_app_number] => 134828 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/134828
Compressor interstage seal Aug 16, 1998 Issued
Array ( [id] => 4106628 [patent_doc_number] => 06145309 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-14 [patent_title] => 'Method for controlling the steering volume flow of a hydraulic power-assisted steering unit for motor vehicles' [patent_app_type] => 1 [patent_app_number] => 9/134313 [patent_app_country] => US [patent_app_date] => 1998-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5433 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/145/06145309.pdf [firstpage_image] =>[orig_patent_app_number] => 134313 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/134313
Method for controlling the steering volume flow of a hydraulic power-assisted steering unit for motor vehicles Aug 13, 1998 Issued
Array ( [id] => 4171374 [patent_doc_number] => 06019574 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-01 [patent_title] => 'Mismatch proof variable stator vane' [patent_app_type] => 1 [patent_app_number] => 9/133188 [patent_app_country] => US [patent_app_date] => 1998-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2922 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/019/06019574.pdf [firstpage_image] =>[orig_patent_app_number] => 133188 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/133188
Mismatch proof variable stator vane Aug 12, 1998 Issued
Array ( [id] => 4081675 [patent_doc_number] => 06050091 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-18 [patent_title] => 'Brake device for oil hydraulic motor' [patent_app_type] => 1 [patent_app_number] => 9/125219 [patent_app_country] => US [patent_app_date] => 1998-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 7354 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/050/06050091.pdf [firstpage_image] =>[orig_patent_app_number] => 125219 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/125219
Brake device for oil hydraulic motor Aug 12, 1998 Issued
Array ( [id] => 4280676 [patent_doc_number] => 06196795 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-06 [patent_title] => 'Turbine pack and method for adapting a turbine pack' [patent_app_type] => 1 [patent_app_number] => 9/125268 [patent_app_country] => US [patent_app_date] => 1998-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 1561 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/196/06196795.pdf [firstpage_image] =>[orig_patent_app_number] => 125268 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/125268
Turbine pack and method for adapting a turbine pack Aug 11, 1998 Issued
Array ( [id] => 4174151 [patent_doc_number] => 06129005 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-10 [patent_title] => 'Piston for a piston-cylinder unit' [patent_app_type] => 1 [patent_app_number] => 9/132973 [patent_app_country] => US [patent_app_date] => 1998-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1555 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/129/06129005.pdf [firstpage_image] =>[orig_patent_app_number] => 132973 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/132973
Piston for a piston-cylinder unit Aug 11, 1998 Issued
Array ( [id] => 1482256 [patent_doc_number] => 06364611 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-02 [patent_title] => 'Helicopter power transmitting apparatus' [patent_app_type] => B1 [patent_app_number] => 09/132679 [patent_app_country] => US [patent_app_date] => 1998-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 9031 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/364/06364611.pdf [firstpage_image] =>[orig_patent_app_number] => 09132679 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/132679
Helicopter power transmitting apparatus Aug 11, 1998 Issued
Array ( [id] => 4208941 [patent_doc_number] => 06116144 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-12 [patent_title] => 'Pressure motor for electro-rheological fluids' [patent_app_type] => 1 [patent_app_number] => 9/132609 [patent_app_country] => US [patent_app_date] => 1998-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2366 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/116/06116144.pdf [firstpage_image] =>[orig_patent_app_number] => 132609 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/132609
Pressure motor for electro-rheological fluids Aug 10, 1998 Issued
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