Search

Karen Cheng

Examiner (ID: 638)

Most Active Art Unit
1626
Art Unit(s)
1626, 1621, 1622, 1623
Total Applications
1007
Issued Applications
715
Pending Applications
86
Abandoned Applications
234

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18900537 [patent_doc_number] => 20240016022 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => DISPLAY PANEL AND DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/297905 [patent_app_country] => US [patent_app_date] => 2021-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4220 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17297905 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/297905
DISPLAY PANEL AND DISPLAY DEVICE May 5, 2021 Pending
Array ( [id] => 17215389 [patent_doc_number] => 20210348727 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => ILLUMINATED ANIMATED GRAPHIC IMAGE BAND [patent_app_type] => utility [patent_app_number] => 17/308866 [patent_app_country] => US [patent_app_date] => 2021-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1892 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17308866 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/308866
ILLUMINATED ANIMATED GRAPHIC IMAGE BAND May 4, 2021 Abandoned
Array ( [id] => 18467475 [patent_doc_number] => 20230201756 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => PHOTOCATALYTIC AIR TREATMENT [patent_app_type] => utility [patent_app_number] => 18/008235 [patent_app_country] => US [patent_app_date] => 2021-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7580 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18008235 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/008235
PHOTOCATALYTIC AIR TREATMENT Apr 21, 2021 Pending
Array ( [id] => 17914270 [patent_doc_number] => 20220316665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => LIGHT-EMITTING DIODE LIGHT STRING CONTROL SYSTEM WITH CARRIER IDENTIFICATION FUNCTION AND SIGNAL IDENTIFICATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/219288 [patent_app_country] => US [patent_app_date] => 2021-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4002 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17219288 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/219288
Light-emitting diode light string control system with carrier identification function and signal identification method thereof Mar 30, 2021 Issued
Array ( [id] => 19900376 [patent_doc_number] => 12278317 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Transparent sealing member and optical component [patent_app_type] => utility [patent_app_number] => 17/215306 [patent_app_country] => US [patent_app_date] => 2021-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 35 [patent_no_of_words] => 5548 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17215306 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/215306
Transparent sealing member and optical component Mar 28, 2021 Issued
Array ( [id] => 18789962 [patent_doc_number] => 20230378722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => SPARK PLUG FOR INTERNAL COMBUSTION ENGINES [patent_app_type] => utility [patent_app_number] => 17/913539 [patent_app_country] => US [patent_app_date] => 2021-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2440 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17913539 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/913539
SPARK PLUG FOR INTERNAL COMBUSTION ENGINES Mar 24, 2021 Abandoned
Array ( [id] => 16963815 [patent_doc_number] => 20210215314 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => HIGH BEAM HEADLIGHT [patent_app_type] => utility [patent_app_number] => 17/301116 [patent_app_country] => US [patent_app_date] => 2021-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3354 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17301116 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/301116
High beam headlight Mar 24, 2021 Issued
Array ( [id] => 19110293 [patent_doc_number] => 11963428 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Display panel and display device [patent_app_type] => utility [patent_app_number] => 17/288851 [patent_app_country] => US [patent_app_date] => 2021-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 7230 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17288851 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/288851
Display panel and display device Mar 15, 2021 Issued
Array ( [id] => 17085745 [patent_doc_number] => 20210280752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => WAVELENGTH CONVERSION WHEEL AND PROJECTION DEVICE [patent_app_type] => utility [patent_app_number] => 17/195644 [patent_app_country] => US [patent_app_date] => 2021-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4707 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17195644 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/195644
Wavelength conversion wheel and projection device Mar 8, 2021 Issued
Array ( [id] => 19326720 [patent_doc_number] => 12044394 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-23 [patent_title] => Lighting apparatus [patent_app_type] => utility [patent_app_number] => 17/193899 [patent_app_country] => US [patent_app_date] => 2021-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 3565 [patent_no_of_claims] => 14 [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] =>[firstpage_image] =>[orig_patent_app_number] => 17193899 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/193899
Lighting apparatus Mar 4, 2021 Issued
Array ( [id] => 19196389 [patent_doc_number] => 11993616 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-28 [patent_title] => Compound and optical film comprising same [patent_app_type] => utility [patent_app_number] => 17/626978 [patent_app_country] => US [patent_app_date] => 2021-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 34510 [patent_no_of_claims] => 18 [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] =>[firstpage_image] =>[orig_patent_app_number] => 17626978 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/626978
Compound and optical film comprising same Feb 23, 2021 Issued
Array ( [id] => 16902623 [patent_doc_number] => 20210181539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => THEATRE LIGHT PROJECTOR INCORPORATING A PLURALITY OF LIGHT SOURCES AND IMPROVEMENTS TO BLENDING THE LIGHT OUTPUT [patent_app_type] => utility [patent_app_number] => 17/171300 [patent_app_country] => US [patent_app_date] => 2021-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4317 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17171300 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/171300
THEATRE LIGHT PROJECTOR INCORPORATING A PLURALITY OF LIGHT SOURCES AND IMPROVEMENTS TO BLENDING THE LIGHT OUTPUT Feb 8, 2021 Abandoned
Array ( [id] => 18225367 [patent_doc_number] => 20230064361 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => COMPACT LASER-BASED LIGHT GENERATING DEVICE [patent_app_type] => utility [patent_app_number] => 17/799052 [patent_app_country] => US [patent_app_date] => 2021-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16615 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17799052 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/799052
Compact laser-based light generating device Feb 8, 2021 Issued
Array ( [id] => 17593662 [patent_doc_number] => 20220143235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => SAFETY CABINET WITH ILLUMINATION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/170180 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9464 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17170180 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/170180
Safety cabinet with illumination system Feb 7, 2021 Issued
Array ( [id] => 19055102 [patent_doc_number] => 20240097071 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => DISPLAY SUBSTRATE, PREPARATION METHOD THEREFOR, AND DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/262802 [patent_app_country] => US [patent_app_date] => 2021-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7712 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18262802 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/262802
DISPLAY SUBSTRATE, PREPARATION METHOD THEREFOR, AND DISPLAY DEVICE Jan 24, 2021 Pending
Array ( [id] => 17906331 [patent_doc_number] => 11460180 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-10-04 [patent_title] => Driver-on-board LED luminaire [patent_app_type] => utility [patent_app_number] => 17/134015 [patent_app_country] => US [patent_app_date] => 2020-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2043 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17134015 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/134015
Driver-on-board LED luminaire Dec 23, 2020 Issued
Array ( [id] => 16978605 [patent_doc_number] => 20210222842 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => MULTIFUNCTION PORTABLE LIGHT AND ACTUATOR [patent_app_type] => utility [patent_app_number] => 17/125022 [patent_app_country] => US [patent_app_date] => 2020-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8569 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17125022 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/125022
Multifunction portable light and actuator Dec 16, 2020 Issued
Array ( [id] => 16917211 [patent_doc_number] => 20210190303 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => FLEXIBLE LEDS STRIPS WITH STAGGERED INTERCONNECTS [patent_app_type] => utility [patent_app_number] => 17/125878 [patent_app_country] => US [patent_app_date] => 2020-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5039 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17125878 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/125878
Flexible LEDs strips with staggered interconnects Dec 16, 2020 Issued
Array ( [id] => 18519469 [patent_doc_number] => 11709359 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-25 [patent_title] => Head-up display apparatus and image display apparatus thereof [patent_app_type] => utility [patent_app_number] => 17/120861 [patent_app_country] => US [patent_app_date] => 2020-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 44 [patent_no_of_words] => 9983 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17120861 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/120861
Head-up display apparatus and image display apparatus thereof Dec 13, 2020 Issued
Array ( [id] => 16855795 [patent_doc_number] => 20210156540 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => LIGHTING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/105582 [patent_app_country] => US [patent_app_date] => 2020-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2811 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17105582 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/105582
Lighting apparatus Nov 25, 2020 Issued
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