Search

Keath T. Chen

Examiner (ID: 12362, Phone: (571)270-1870 , Office: P/1716 )

Most Active Art Unit
1716
Art Unit(s)
1792, 1762, 1716, 1712
Total Applications
1366
Issued Applications
431
Pending Applications
136
Abandoned Applications
842

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20207583 [patent_doc_number] => 20250277303 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => LOW-TEMPERATURE VAPORIZER FOR ION IMPLANTER WITH IN-VACUUM CONTROLLED FLOW [patent_app_type] => utility [patent_app_number] => 19/063918 [patent_app_country] => US [patent_app_date] => 2025-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2296 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19063918 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/063918
LOW-TEMPERATURE VAPORIZER FOR ION IMPLANTER WITH IN-VACUUM CONTROLLED FLOW Feb 25, 2025 Pending
Array ( [id] => 19546295 [patent_doc_number] => 20240363331 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => SUBSTRATE SUPPORT PLATE, SUBSTRATE PROCESSING APPARATUS INCLUDING THE SAME, AND SUBSTRATE PROCESSING METHOD [patent_app_type] => utility [patent_app_number] => 18/664118 [patent_app_country] => US [patent_app_date] => 2024-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12843 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18664118 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/664118
SUBSTRATE SUPPORT PLATE, SUBSTRATE PROCESSING APPARATUS INCLUDING THE SAME, AND SUBSTRATE PROCESSING METHOD May 13, 2024 Pending
Array ( [id] => 19392726 [patent_doc_number] => 20240282596 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => SEMICONDUCTOR PROCESSING DEVICE [patent_app_type] => utility [patent_app_number] => 18/648467 [patent_app_country] => US [patent_app_date] => 2024-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7283 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18648467 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/648467
SEMICONDUCTOR PROCESSING DEVICE Apr 27, 2024 Pending
Array ( [id] => 19384588 [patent_doc_number] => 20240274458 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => ELECTROSTATIC CHUCK, ETCHING APPARATUS, AND METHOD OF MANUFACTURING DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/644599 [patent_app_country] => US [patent_app_date] => 2024-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16374 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18644599 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/644599
ELECTROSTATIC CHUCK, ETCHING APPARATUS, AND METHOD OF MANUFACTURING DISPLAY DEVICE Apr 23, 2024 Pending
Array ( [id] => 19345658 [patent_doc_number] => 20240254621 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => MATERIAL DEPOSITION SYSTEM EQUIPMENT MAINTENANCE [patent_app_type] => utility [patent_app_number] => 18/604475 [patent_app_country] => US [patent_app_date] => 2024-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15789 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18604475 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/604475
MATERIAL DEPOSITION SYSTEM EQUIPMENT MAINTENANCE Mar 12, 2024 Pending
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 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] => 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] => 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] => 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] => 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] => 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] => 19054692 [patent_doc_number] => 20240096661 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => GAS BOX ASSEMBLY FOR HIGH PRESSURE PROCESSING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/467838 [patent_app_country] => US [patent_app_date] => 2023-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4671 [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] => 18467838 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/467838
GAS BOX ASSEMBLY FOR HIGH PRESSURE PROCESSING APPARATUS Sep 14, 2023 Pending
Array ( [id] => 19054692 [patent_doc_number] => 20240096661 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => GAS BOX ASSEMBLY FOR HIGH PRESSURE PROCESSING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/467838 [patent_app_country] => US [patent_app_date] => 2023-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4671 [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] => 18467838 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/467838
GAS BOX ASSEMBLY FOR HIGH PRESSURE PROCESSING APPARATUS Sep 14, 2023 Pending
Array ( [id] => 19054692 [patent_doc_number] => 20240096661 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => GAS BOX ASSEMBLY FOR HIGH PRESSURE PROCESSING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/467838 [patent_app_country] => US [patent_app_date] => 2023-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4671 [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] => 18467838 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/467838
GAS BOX ASSEMBLY FOR HIGH PRESSURE PROCESSING APPARATUS Sep 14, 2023 Pending
Array ( [id] => 19038129 [patent_doc_number] => 20240087944 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => SYSTEM AND APPARATUS FOR A LIFT PIN [patent_app_type] => utility [patent_app_number] => 18/243173 [patent_app_country] => US [patent_app_date] => 2023-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3585 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18243173 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/243173
SYSTEM AND APPARATUS FOR A LIFT PIN Sep 6, 2023 Pending
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