Search

Keath T. Chen

Examiner (ID: 13736, Phone: (571)270-1870 , Office: P/1716 )

Most Active Art Unit
1716
Art Unit(s)
1712, 1716, 1762, 1792
Total Applications
1402
Issued Applications
436
Pending Applications
126
Abandoned Applications
854

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20179874 [patent_doc_number] => 20250263832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => LOCAL PART MASKING FOR IMPROVED UNIFORMITY IN CERAMIC MATRIX COMPOSITES [patent_app_type] => utility [patent_app_number] => 18/442808 [patent_app_country] => US [patent_app_date] => 2024-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18442808 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/442808
LOCAL PART MASKING FOR IMPROVED UNIFORMITY IN CERAMIC MATRIX COMPOSITES Feb 14, 2024 Pending
Array ( [id] => 19188237 [patent_doc_number] => 20240167150 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => POWER POLISHING APPARATUSES AND METHODS FOR IN-SITU FINISHING AND COATING OF OPTICAL COMPONENT [patent_app_type] => utility [patent_app_number] => 18/429750 [patent_app_country] => US [patent_app_date] => 2024-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7346 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18429750 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/429750
POWER POLISHING APPARATUSES AND METHODS FOR IN-SITU FINISHING AND COATING OF OPTICAL COMPONENT Jan 31, 2024 Pending
Array ( [id] => 19158178 [patent_doc_number] => 20240150885 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => ORGANIC VAPOR JET PRINTING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/416088 [patent_app_country] => US [patent_app_date] => 2024-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10134 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18416088 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/416088
ORGANIC VAPOR JET PRINTING SYSTEM Jan 17, 2024 Abandoned
Array ( [id] => 19662019 [patent_doc_number] => 20240429084 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => SUBSTRATE PROCESSING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/409082 [patent_app_country] => US [patent_app_date] => 2024-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4907 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18409082 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/409082
SUBSTRATE PROCESSING APPARATUS Jan 9, 2024 Pending
Array ( [id] => 19696326 [patent_doc_number] => 20250014871 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => SEMICONDUCTOR PROCESSING APPARATUS USING PLASMA [patent_app_type] => utility [patent_app_number] => 18/406898 [patent_app_country] => US [patent_app_date] => 2024-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8511 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18406898 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/406898
SEMICONDUCTOR PROCESSING APPARATUS USING PLASMA Jan 7, 2024 Pending
Array ( [id] => 19321392 [patent_doc_number] => 20240242939 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => PLASMA-ASSISTED FILM REMOVAL FOR WAFER FABRICATION [patent_app_type] => utility [patent_app_number] => 18/404542 [patent_app_country] => US [patent_app_date] => 2024-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9431 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18404542 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/404542
PLASMA-ASSISTED FILM REMOVAL FOR WAFER FABRICATION Jan 3, 2024 Pending
Array ( [id] => 19146190 [patent_doc_number] => 20240145218 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => PLASMA PROCESSING APPARATUS AND PLASMA PROCESSING METHOD [patent_app_type] => utility [patent_app_number] => 18/397941 [patent_app_country] => US [patent_app_date] => 2023-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12724 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18397941 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/397941
Plasma processing apparatus and plasma processing method Dec 26, 2023 Issued
Array ( [id] => 20041417 [patent_doc_number] => 20250179639 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => HARDWARE DESIGN WITH INDEPENDENT CONTROL TO IMPROVE WIW UNIFORMITY [patent_app_type] => utility [patent_app_number] => 18/526788 [patent_app_country] => US [patent_app_date] => 2023-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5766 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18526788 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/526788
HARDWARE DESIGN WITH INDEPENDENT CONTROL TO IMPROVE WIW UNIFORMITY Nov 30, 2023 Pending
Array ( [id] => 19054719 [patent_doc_number] => 20240096688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => SINGLE WAFER PROCESSING ENVIRONMENTS WITH SPATIAL SEPARATION [patent_app_type] => utility [patent_app_number] => 18/523394 [patent_app_country] => US [patent_app_date] => 2023-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9936 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18523394 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/523394
SINGLE WAFER PROCESSING ENVIRONMENTS WITH SPATIAL SEPARATION Nov 28, 2023 Pending
Array ( [id] => 19515679 [patent_doc_number] => 20240347365 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => ELECTROSTATIC CHUCK, DEPOSITION APPARATUS INCLUDING THE SAME, AND DISPLAY PANEL FABRICATED USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/515267 [patent_app_country] => US [patent_app_date] => 2023-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11009 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18515267 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/515267
ELECTROSTATIC CHUCK, DEPOSITION APPARATUS INCLUDING THE SAME, AND DISPLAY PANEL FABRICATED USING THE SAME Nov 20, 2023 Pending
Array ( [id] => 19218332 [patent_doc_number] => 20240183036 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => EPITAXIAL GROWTH APPARATUS AND MULTI-LAYER GAS SUPPLY MODULE USED THEREFOR [patent_app_type] => utility [patent_app_number] => 18/511096 [patent_app_country] => US [patent_app_date] => 2023-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4327 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18511096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/511096
EPITAXIAL GROWTH APPARATUS AND MULTI-LAYER GAS SUPPLY MODULE USED THEREFOR Nov 15, 2023 Pending
Array ( [id] => 19381397 [patent_doc_number] => 20240271267 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => DEPOSITION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/504026 [patent_app_country] => US [patent_app_date] => 2023-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11198 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18504026 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/504026
DEPOSITION APPARATUS Nov 6, 2023 Pending
Array ( [id] => 19855835 [patent_doc_number] => 12258659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Crucible cover for coating with an electron beam source [patent_app_type] => utility [patent_app_number] => 18/387132 [patent_app_country] => US [patent_app_date] => 2023-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 42 [patent_no_of_words] => 8169 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18387132 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/387132
Crucible cover for coating with an electron beam source Nov 5, 2023 Issued
Array ( [id] => 20204079 [patent_doc_number] => 12406862 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Vacuum processing apparatus and oxidizing gas removal method [patent_app_type] => utility [patent_app_number] => 18/499667 [patent_app_country] => US [patent_app_date] => 2023-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1180 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18499667 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/499667
Vacuum processing apparatus and oxidizing gas removal method Oct 31, 2023 Issued
Array ( [id] => 19007660 [patent_doc_number] => 20240071731 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => SUBSTRATE PROCESSING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/495738 [patent_app_country] => US [patent_app_date] => 2023-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11217 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18495738 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/495738
SUBSTRATE PROCESSING APPARATUS Oct 25, 2023 Abandoned
Array ( [id] => 19305511 [patent_doc_number] => 20240234091 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => DEPOSITING A CARBON HARDMASK BY HIGH POWER PULSED LOW FREQUENCY RF [patent_app_type] => utility [patent_app_number] => 18/493614 [patent_app_country] => US [patent_app_date] => 2023-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11593 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [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] => 18493614 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/493614
DEPOSITING A CARBON HARDMASK BY HIGH POWER PULSED LOW FREQUENCY RF Oct 23, 2023 Pending
Array ( [id] => 19305511 [patent_doc_number] => 20240234091 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => DEPOSITING A CARBON HARDMASK BY HIGH POWER PULSED LOW FREQUENCY RF [patent_app_type] => utility [patent_app_number] => 18/493614 [patent_app_country] => US [patent_app_date] => 2023-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11593 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [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] => 18493614 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/493614
DEPOSITING A CARBON HARDMASK BY HIGH POWER PULSED LOW FREQUENCY RF Oct 22, 2023 Pending
Array ( [id] => 18972387 [patent_doc_number] => 20240052479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => METHOD, DEVICE, AND SYSTEM FOR MANUFACTURING COMPOSITE METAL FOIL [patent_app_type] => utility [patent_app_number] => 18/381192 [patent_app_country] => US [patent_app_date] => 2023-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6484 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 325 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18381192 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/381192
METHOD, DEVICE, AND SYSTEM FOR MANUFACTURING COMPOSITE METAL FOIL Oct 17, 2023 Abandoned
Array ( [id] => 19893265 [patent_doc_number] => 20250118577 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => CERAMIC RF RETURN KIT DESIGN [patent_app_type] => utility [patent_app_number] => 18/484232 [patent_app_country] => US [patent_app_date] => 2023-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13130 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18484232 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/484232
CERAMIC RF RETURN KIT DESIGN Oct 9, 2023 Pending
Array ( [id] => 19619120 [patent_doc_number] => 20240404800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => PLASMA TREATMENT APPARATUS [patent_app_type] => utility [patent_app_number] => 18/481240 [patent_app_country] => US [patent_app_date] => 2023-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5170 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18481240 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/481240
PLASMA TREATMENT APPARATUS Oct 4, 2023 Pending
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