Search

Hoi Ching Lau

Examiner (ID: 1833, Phone: (571)272-8547 , Office: P/2682 )

Most Active Art Unit
2689
Art Unit(s)
2636, 2612, 2682, 2689
Total Applications
1489
Issued Applications
1110
Pending Applications
82
Abandoned Applications
319

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 12156691 [patent_doc_number] => 20180027956 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-01 [patent_title] => 'TOOTHBRUSH WITH BUILT-IN TONGUE AND MOUTH CLEANING SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/220305 [patent_app_country] => US [patent_app_date] => 2016-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1735 [patent_no_of_claims] => 11 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15220305 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/220305
TOOTHBRUSH WITH BUILT-IN TONGUE AND MOUTH CLEANING SYSTEM Jul 25, 2016 Abandoned
Array ( [id] => 15817671 [patent_doc_number] => 10634004 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-28 [patent_title] => Device and method for cleaning the core engine of a jet engine [patent_app_type] => utility [patent_app_number] => 15/218669 [patent_app_country] => US [patent_app_date] => 2016-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4043 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15218669 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/218669
Device and method for cleaning the core engine of a jet engine Jul 24, 2016 Issued
Array ( [id] => 11399825 [patent_doc_number] => 20170020363 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-01-26 [patent_title] => 'Lint Roller Device' [patent_app_type] => utility [patent_app_number] => 15/219203 [patent_app_country] => US [patent_app_date] => 2016-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2151 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15219203 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/219203
Lint Roller Device Jul 24, 2016 Abandoned
Array ( [id] => 12149633 [patent_doc_number] => 20180020897 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-25 [patent_title] => 'BATHROOM CLEANING DEVICE WITH REMOVABLE, WASHABLE AND REUSABLE HEAD AND METHOD OF USE' [patent_app_type] => utility [patent_app_number] => 15/215691 [patent_app_country] => US [patent_app_date] => 2016-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4302 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15215691 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/215691
Bathroom cleaning device with removable, washable and reusable head and method of use Jul 20, 2016 Issued
Array ( [id] => 13296507 [patent_doc_number] => 20180199790 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-19 [patent_title] => AUTOCALIBRATING DOSING METHOD [patent_app_type] => utility [patent_app_number] => 15/744281 [patent_app_country] => US [patent_app_date] => 2016-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3577 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 11 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15744281 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/744281
Autocalibrating dosing method Jul 20, 2016 Issued
Array ( [id] => 13299971 [patent_doc_number] => 20180201522 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-19 [patent_title] => METHOD FOR PREVENTING MARKS CAUSED BY DRYING AND A VEHICLE WASHING SYSTEM [patent_app_type] => utility [patent_app_number] => 15/744139 [patent_app_country] => US [patent_app_date] => 2016-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3541 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15744139 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/744139
Method for preventing marks caused by drying and a vehicle washing system Jul 14, 2016 Issued
Array ( [id] => 11397886 [patent_doc_number] => 20170018423 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-01-19 [patent_title] => 'Apparatus and Method for Processing the Surface of a Workpiece Comprised of Sensitive Materials with an Ozone and Carbon Dioxide Treating Fluid' [patent_app_type] => utility [patent_app_number] => 15/209756 [patent_app_country] => US [patent_app_date] => 2016-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6317 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15209756 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/209756
Apparatus and Method for Processing the Surface of a Workpiece Comprised of Sensitive Materials with an Ozone and Carbon Dioxide Treating Fluid Jul 13, 2016 Abandoned
Array ( [id] => 13287765 [patent_doc_number] => 10155055 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-18 [patent_title] => Pipette tip washing device [patent_app_type] => utility [patent_app_number] => 15/189750 [patent_app_country] => US [patent_app_date] => 2016-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 25 [patent_no_of_words] => 5424 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15189750 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/189750
Pipette tip washing device Jun 21, 2016 Issued
Array ( [id] => 17177684 [patent_doc_number] => 11154913 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-26 [patent_title] => Substrate treatment method and substrate treatment device [patent_app_type] => utility [patent_app_number] => 15/744127 [patent_app_country] => US [patent_app_date] => 2016-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 26 [patent_no_of_words] => 17994 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 331 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15744127 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/744127
Substrate treatment method and substrate treatment device Jun 6, 2016 Issued
Array ( [id] => 13015879 [patent_doc_number] => 10031051 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-24 [patent_title] => Sample deposition device [patent_app_type] => utility [patent_app_number] => 15/168943 [patent_app_country] => US [patent_app_date] => 2016-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 9773 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15168943 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/168943
Sample deposition device May 30, 2016 Issued
Array ( [id] => 13886231 [patent_doc_number] => 10195650 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-02-05 [patent_title] => Method and apparatus for cleaning an oil and gas well riser assembly with multiple tools simultaneously [patent_app_type] => utility [patent_app_number] => 15/162484 [patent_app_country] => US [patent_app_date] => 2016-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 3076 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15162484 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/162484
Method and apparatus for cleaning an oil and gas well riser assembly with multiple tools simultaneously May 22, 2016 Issued
Array ( [id] => 11648393 [patent_doc_number] => 20170144294 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-25 [patent_title] => 'ERGONOMIC AND VERSATILE PAD-CARRYING TOOL' [patent_app_type] => utility [patent_app_number] => 15/161334 [patent_app_country] => US [patent_app_date] => 2016-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2090 [patent_no_of_claims] => 10 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15161334 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/161334
ERGONOMIC AND VERSATILE PAD-CARRYING TOOL May 22, 2016 Abandoned
Array ( [id] => 12996763 [patent_doc_number] => 10022025 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-17 [patent_title] => Dual motor cleansing brush [patent_app_type] => utility [patent_app_number] => 15/161164 [patent_app_country] => US [patent_app_date] => 2016-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 6233 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15161164 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/161164
Dual motor cleansing brush May 19, 2016 Issued
Array ( [id] => 11066668 [patent_doc_number] => 20160263632 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-09-15 [patent_title] => 'DEBRIS REMOVAL IN HIGH ASPECT STRUCTURES' [patent_app_type] => utility [patent_app_number] => 15/160263 [patent_app_country] => US [patent_app_date] => 2016-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 37 [patent_no_of_words] => 26485 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15160263 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/160263
Debris removal in high aspect structures May 19, 2016 Issued
Array ( [id] => 11069201 [patent_doc_number] => 20160266165 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-09-15 [patent_title] => 'DEBRIS REMOVAL FROM HIGH ASPECT STRUCTURES' [patent_app_type] => utility [patent_app_number] => 15/160302 [patent_app_country] => US [patent_app_date] => 2016-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 37 [patent_no_of_words] => 26485 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15160302 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/160302
Debris removal from high aspect structures May 19, 2016 Issued
Array ( [id] => 11289551 [patent_doc_number] => 20160339484 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-24 [patent_title] => 'TRAY SEALER' [patent_app_type] => utility [patent_app_number] => 15/159190 [patent_app_country] => US [patent_app_date] => 2016-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2276 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15159190 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/159190
TRAY SEALER May 18, 2016 Abandoned
Array ( [id] => 11269654 [patent_doc_number] => 20160332202 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-17 [patent_title] => 'INTERCHANGEABLE BASKET TREATMENT SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/154055 [patent_app_country] => US [patent_app_date] => 2016-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7423 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15154055 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/154055
INTERCHANGEABLE BASKET TREATMENT SYSTEM May 12, 2016 Abandoned
Array ( [id] => 11289554 [patent_doc_number] => 20160339486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-24 [patent_title] => 'REFLOW OVEN LINER, SYSTEM AND METHOD' [patent_app_type] => utility [patent_app_number] => 15/153349 [patent_app_country] => US [patent_app_date] => 2016-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4749 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15153349 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/153349
REFLOW OVEN LINER, SYSTEM AND METHOD May 11, 2016 Abandoned
Array ( [id] => 12960991 [patent_doc_number] => 09873141 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-23 [patent_title] => Filler layer forming method [patent_app_type] => utility [patent_app_number] => 15/148369 [patent_app_country] => US [patent_app_date] => 2016-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 6620 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15148369 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/148369
Filler layer forming method May 5, 2016 Issued
Array ( [id] => 13411153 [patent_doc_number] => 20180257119 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-13 [patent_title] => CLEANING INSIDE AND ADJACENT SERVICE CONNECTIONS IN PREPARATION FOR PIPE LINING METHOD [patent_app_type] => utility [patent_app_number] => 15/760157 [patent_app_country] => US [patent_app_date] => 2016-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1918 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15760157 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/760157
CLEANING INSIDE AND ADJACENT SERVICE CONNECTIONS IN PREPARATION FOR PIPE LINING METHOD Mar 1, 2016 Abandoned
Menu