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] => 4329064 [patent_doc_number] => 06332756 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-25 [patent_title] => 'Motion converting unit' [patent_app_type] => 1 [patent_app_number] => 9/478368 [patent_app_country] => US [patent_app_date] => 2000-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 39 [patent_figures_cnt] => 76 [patent_no_of_words] => 18203 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/332/06332756.pdf [firstpage_image] =>[orig_patent_app_number] => 478368 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/478368
Motion converting unit Jan 5, 2000 Issued
Array ( [id] => 4335838 [patent_doc_number] => 06253656 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-03 [patent_title] => 'Sensor assembly for a brake booster and brake booster equipped therewith' [patent_app_type] => 1 [patent_app_number] => 9/477994 [patent_app_country] => US [patent_app_date] => 2000-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3824 [patent_no_of_claims] => 15 [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/06/253/06253656.pdf [firstpage_image] =>[orig_patent_app_number] => 477994 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/477994
Sensor assembly for a brake booster and brake booster equipped therewith Jan 4, 2000 Issued
Array ( [id] => 4248977 [patent_doc_number] => 06321634 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-27 [patent_title] => 'Equalizer' [patent_app_type] => 1 [patent_app_number] => 9/476364 [patent_app_country] => US [patent_app_date] => 2000-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4747 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/321/06321634.pdf [firstpage_image] =>[orig_patent_app_number] => 476364 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/476364
Equalizer Jan 2, 2000 Issued
Array ( [id] => 1434443 [patent_doc_number] => 06354082 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-12 [patent_title] => 'Air/water intensifier' [patent_app_type] => B1 [patent_app_number] => 09/474636 [patent_app_country] => US [patent_app_date] => 1999-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 6562 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/354/06354082.pdf [firstpage_image] =>[orig_patent_app_number] => 09474636 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/474636
Air/water intensifier Dec 28, 1999 Issued
Array ( [id] => 1442819 [patent_doc_number] => 06367368 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-09 [patent_title] => 'Variable displacement compressor having piston anti-rotation structure' [patent_app_type] => B1 [patent_app_number] => 09/474728 [patent_app_country] => US [patent_app_date] => 1999-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2430 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/367/06367368.pdf [firstpage_image] =>[orig_patent_app_number] => 09474728 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/474728
Variable displacement compressor having piston anti-rotation structure Dec 28, 1999 Issued
Array ( [id] => 1485593 [patent_doc_number] => 06415605 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-09 [patent_title] => 'Brake system' [patent_app_type] => B1 [patent_app_number] => 09/474983 [patent_app_country] => US [patent_app_date] => 1999-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 26059 [patent_no_of_claims] => 58 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/415/06415605.pdf [firstpage_image] =>[orig_patent_app_number] => 09474983 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/474983
Brake system Dec 28, 1999 Issued
Array ( [id] => 4383419 [patent_doc_number] => 06269641 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-07 [patent_title] => 'Stroke control tool for subterranean well hydraulic actuator assembly' [patent_app_type] => 1 [patent_app_number] => 9/473599 [patent_app_country] => US [patent_app_date] => 1999-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3415 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/269/06269641.pdf [firstpage_image] =>[orig_patent_app_number] => 473599 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/473599
Stroke control tool for subterranean well hydraulic actuator assembly Dec 28, 1999 Issued
Array ( [id] => 4264981 [patent_doc_number] => 06233930 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-22 [patent_title] => 'Power steering device' [patent_app_type] => 1 [patent_app_number] => 9/462056 [patent_app_country] => US [patent_app_date] => 1999-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 4984 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/233/06233930.pdf [firstpage_image] =>[orig_patent_app_number] => 462056 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/462056
Power steering device Dec 27, 1999 Issued
Array ( [id] => 4396063 [patent_doc_number] => 06227799 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-08 [patent_title] => 'Turbine shaft of a steam turbine having internal cooling, and also a method of cooling a turbine shaft' [patent_app_type] => 1 [patent_app_number] => 9/472218 [patent_app_country] => US [patent_app_date] => 1999-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4613 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/227/06227799.pdf [firstpage_image] =>[orig_patent_app_number] => 472218 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/472218
Turbine shaft of a steam turbine having internal cooling, and also a method of cooling a turbine shaft Dec 26, 1999 Issued
Array ( [id] => 1579445 [patent_doc_number] => 06357335 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-19 [patent_title] => 'Pneumatic volume booster for valve positioner' [patent_app_type] => B1 [patent_app_number] => 09/471921 [patent_app_country] => US [patent_app_date] => 1999-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 6207 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/357/06357335.pdf [firstpage_image] =>[orig_patent_app_number] => 09471921 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/471921
Pneumatic volume booster for valve positioner Dec 22, 1999 Issued
Array ( [id] => 4335852 [patent_doc_number] => 06253657 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-03 [patent_title] => 'Steering apparatus' [patent_app_type] => 1 [patent_app_number] => 9/470885 [patent_app_country] => US [patent_app_date] => 1999-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2227 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/253/06253657.pdf [firstpage_image] =>[orig_patent_app_number] => 470885 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/470885
Steering apparatus Dec 21, 1999 Issued
Array ( [id] => 4359563 [patent_doc_number] => 06276258 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-21 [patent_title] => 'Pressure activated piston and cylinder unit for use in a die' [patent_app_type] => 1 [patent_app_number] => 9/469468 [patent_app_country] => US [patent_app_date] => 1999-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4033 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/276/06276258.pdf [firstpage_image] =>[orig_patent_app_number] => 469468 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/469468
Pressure activated piston and cylinder unit for use in a die Dec 21, 1999 Issued
Array ( [id] => 4370937 [patent_doc_number] => 06293766 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-25 [patent_title] => 'Process for operating a compressor with a downstream user, and unit operating according to this process' [patent_app_type] => 1 [patent_app_number] => 9/470496 [patent_app_country] => US [patent_app_date] => 1999-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3103 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/293/06293766.pdf [firstpage_image] =>[orig_patent_app_number] => 470496 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/470496
Process for operating a compressor with a downstream user, and unit operating according to this process Dec 21, 1999 Issued
Array ( [id] => 1532905 [patent_doc_number] => 06336329 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-01-08 [patent_title] => 'Hydraulic cylinder' [patent_app_type] => B1 [patent_app_number] => 09/469929 [patent_app_country] => US [patent_app_date] => 1999-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5689 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/336/06336329.pdf [firstpage_image] =>[orig_patent_app_number] => 09469929 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/469929
Hydraulic cylinder Dec 20, 1999 Issued
Array ( [id] => 4288917 [patent_doc_number] => 06250875 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-26 [patent_title] => 'Heater' [patent_app_type] => 1 [patent_app_number] => 9/468115 [patent_app_country] => US [patent_app_date] => 1999-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2374 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/250/06250875.pdf [firstpage_image] =>[orig_patent_app_number] => 468115 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/468115
Heater Dec 20, 1999 Issued
Array ( [id] => 4393442 [patent_doc_number] => 06270318 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-07 [patent_title] => 'Article having corrosion resistant coating' [patent_app_type] => 1 [patent_app_number] => 9/468389 [patent_app_country] => US [patent_app_date] => 1999-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2128 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/270/06270318.pdf [firstpage_image] =>[orig_patent_app_number] => 468389 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/468389
Article having corrosion resistant coating Dec 19, 1999 Issued
Array ( [id] => 4315763 [patent_doc_number] => 06331098 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-18 [patent_title] => 'Coriolis turbulator blade' [patent_app_type] => 1 [patent_app_number] => 9/466155 [patent_app_country] => US [patent_app_date] => 1999-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4677 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/331/06331098.pdf [firstpage_image] =>[orig_patent_app_number] => 466155 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/466155
Coriolis turbulator blade Dec 17, 1999 Issued
Array ( [id] => 1504352 [patent_doc_number] => 06439838 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-27 [patent_title] => 'Periodic stator airfoils' [patent_app_type] => B1 [patent_app_number] => 09/466157 [patent_app_country] => US [patent_app_date] => 1999-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2923 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/439/06439838.pdf [firstpage_image] =>[orig_patent_app_number] => 09466157 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/466157
Periodic stator airfoils Dec 17, 1999 Issued
Array ( [id] => 1543591 [patent_doc_number] => 06397724 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-04 [patent_title] => 'Negative pressure type servo unit' [patent_app_type] => B1 [patent_app_number] => 09/461215 [patent_app_country] => US [patent_app_date] => 1999-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 12067 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/397/06397724.pdf [firstpage_image] =>[orig_patent_app_number] => 09461215 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/461215
Negative pressure type servo unit Dec 15, 1999 Issued
Array ( [id] => 1582014 [patent_doc_number] => 06357999 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-19 [patent_title] => 'Gas turbine engine internal air system' [patent_app_type] => B1 [patent_app_number] => 09/464598 [patent_app_country] => US [patent_app_date] => 1999-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1708 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/357/06357999.pdf [firstpage_image] =>[orig_patent_app_number] => 09464598 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/464598
Gas turbine engine internal air system Dec 15, 1999 Issued
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