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] => 19249467 [patent_doc_number] => 20240200455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => ENERGY CELL [patent_app_type] => utility [patent_app_number] => 18/287552 [patent_app_country] => US [patent_app_date] => 2022-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -34 [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] => 18287552 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/287552
ENERGY CELL Feb 20, 2022 Pending
Array ( [id] => 20337171 [patent_doc_number] => 20250341291 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => LED TUBE LAMP [patent_app_type] => utility [patent_app_number] => 18/021806 [patent_app_country] => US [patent_app_date] => 2022-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 75559 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18021806 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/021806
LED TUBE LAMP Jan 13, 2022 Pending
Array ( [id] => 18988655 [patent_doc_number] => 20240060624 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => LIGHT SYSTEMS HAVING A DIFFUSIVE PVB INTERLAYER [patent_app_type] => utility [patent_app_number] => 18/260380 [patent_app_country] => US [patent_app_date] => 2022-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8436 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18260380 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/260380
LIGHT SYSTEMS HAVING A DIFFUSIVE PVB INTERLAYER Jan 11, 2022 Abandoned
Array ( [id] => 18315771 [patent_doc_number] => 11629845 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-18 [patent_title] => Clamp lamp [patent_app_type] => utility [patent_app_number] => 17/567841 [patent_app_country] => US [patent_app_date] => 2022-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4376 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17567841 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/567841
Clamp lamp Jan 2, 2022 Issued
Array ( [id] => 19771572 [patent_doc_number] => 20250052998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => PHOSPHOR WHEEL AND IMAGE PROJECTION DEVICE COMPRISING THE SAME [patent_app_type] => utility [patent_app_number] => 18/722265 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9689 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18722265 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/722265
PHOSPHOR WHEEL AND IMAGE PROJECTION DEVICE COMPRISING THE SAME Dec 20, 2021 Pending
Array ( [id] => 18437104 [patent_doc_number] => 20230184398 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => Reinforced Light Strip for a Lighting Device [patent_app_type] => utility [patent_app_number] => 17/550837 [patent_app_country] => US [patent_app_date] => 2021-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7858 [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] => 17550837 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/550837
Reinforced light strip for a lighting device Dec 13, 2021 Issued
Array ( [id] => 17564073 [patent_doc_number] => 20220128222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => OPTICAL ELEMENT FOR IMPROVING BEAM QUALITY AND LIGHT COUPLING EFFICIENCY [patent_app_type] => utility [patent_app_number] => 17/551073 [patent_app_country] => US [patent_app_date] => 2021-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18325 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17551073 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/551073
OPTICAL ELEMENT FOR IMPROVING BEAM QUALITY AND LIGHT COUPLING EFFICIENCY Dec 13, 2021 Abandoned
Array ( [id] => 19107550 [patent_doc_number] => 11960659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Cake decoration system [patent_app_type] => utility [patent_app_number] => 17/549852 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 54 [patent_no_of_words] => 10596 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17549852 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/549852
Cake decoration system Dec 12, 2021 Issued
Array ( [id] => 18579157 [patent_doc_number] => 11735698 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Light-emitting device and head lamp for vehicles including the light emitting device [patent_app_type] => utility [patent_app_number] => 17/548114 [patent_app_country] => US [patent_app_date] => 2021-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 10628 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17548114 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/548114
Light-emitting device and head lamp for vehicles including the light emitting device Dec 9, 2021 Issued
Array ( [id] => 17706366 [patent_doc_number] => 20220206372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => WAVELENGTH CONVERSION MODULE AND PROJECTOR [patent_app_type] => utility [patent_app_number] => 17/544957 [patent_app_country] => US [patent_app_date] => 2021-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5799 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17544957 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/544957
Wavelength conversion module and projector Dec 7, 2021 Issued
Array ( [id] => 18375070 [patent_doc_number] => 20230150150 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => ROBOT CHARGING DOCK WITH ILLUMINATED CHARGE CONNECTOR [patent_app_type] => utility [patent_app_number] => 17/532203 [patent_app_country] => US [patent_app_date] => 2021-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3823 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17532203 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/532203
Robot charging dock with illuminated charge connector Nov 21, 2021 Issued
Array ( [id] => 18364847 [patent_doc_number] => 20230146438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => LED POWER SUPPLY AND LED LAMP [patent_app_type] => utility [patent_app_number] => 17/532092 [patent_app_country] => US [patent_app_date] => 2021-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4883 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17532092 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/532092
LED POWER SUPPLY AND LED LAMP Nov 21, 2021 Abandoned
Array ( [id] => 18621219 [patent_doc_number] => 11754247 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => Headlight module and headlight device [patent_app_type] => utility [patent_app_number] => 17/531443 [patent_app_country] => US [patent_app_date] => 2021-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 37 [patent_no_of_words] => 30506 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17531443 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/531443
Headlight module and headlight device Nov 18, 2021 Issued
Array ( [id] => 18281769 [patent_doc_number] => 20230097241 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => POWER SYSTEM CAPABLE OF PREVENTING FROM MISTAKENLY TRIGGERING ELECTRIC SHOCK PROTECTION FUNCTION OF LAMP TUBES AND METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/521872 [patent_app_country] => US [patent_app_date] => 2021-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5223 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17521872 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/521872
Power system capable of preventing from mistakenly triggering electric shock protection function of lamp tubes and method thereof Nov 8, 2021 Issued
Array ( [id] => 18117062 [patent_doc_number] => 11548436 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Illuminated vehicle panel and method for manufacturing an illuminated vehicle panel [patent_app_type] => utility [patent_app_number] => 17/519273 [patent_app_country] => US [patent_app_date] => 2021-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 33 [patent_no_of_words] => 8709 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17519273 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/519273
Illuminated vehicle panel and method for manufacturing an illuminated vehicle panel Nov 3, 2021 Issued
Array ( [id] => 17785457 [patent_doc_number] => 11408573 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-08-09 [patent_title] => Optical projection device [patent_app_type] => utility [patent_app_number] => 17/516294 [patent_app_country] => US [patent_app_date] => 2021-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 19 [patent_no_of_words] => 9463 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17516294 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/516294
Optical projection device Oct 31, 2021 Issued
Array ( [id] => 18302990 [patent_doc_number] => 11624889 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-11 [patent_title] => Fluorescent color wheel [patent_app_type] => utility [patent_app_number] => 17/449459 [patent_app_country] => US [patent_app_date] => 2021-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3918 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17449459 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/449459
Fluorescent color wheel Sep 29, 2021 Issued
Array ( [id] => 18787493 [patent_doc_number] => 20230375814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => A METHOD FOR DESIGNING AN EXPANDED COMPOUND PARABOLIC CONCENTRATOR (ECPC) CORRECTABLE FOR COLLECTING LIGHT IN THE NEAR-FIELD [patent_app_type] => utility [patent_app_number] => 18/247024 [patent_app_country] => US [patent_app_date] => 2021-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10253 [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] => 18247024 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/247024
Method for designing an expanded compound parabolic concentrator (ECPC) correctable for collecting light in the near-field Sep 20, 2021 Issued
Array ( [id] => 18676332 [patent_doc_number] => 20230313957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => FOLDED LIGHTING DEVICE WITH LED ARRAY [patent_app_type] => utility [patent_app_number] => 18/023848 [patent_app_country] => US [patent_app_date] => 2021-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4594 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18023848 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/023848
FOLDED LIGHTING DEVICE WITH LED ARRAY Sep 13, 2021 Abandoned
Array ( [id] => 17461860 [patent_doc_number] => 20220075165 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => LENS AND PRISM COMBINATION FOR DIRECTING LIGHT TOWARD A PROJECTOR LENS [patent_app_type] => utility [patent_app_number] => 17/471879 [patent_app_country] => US [patent_app_date] => 2021-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12890 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17471879 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/471879
Lens and prism combination for directing light toward a projector lens Sep 9, 2021 Issued
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