Search

Boniface N. Nganga

Examiner (ID: 595, Phone: (571)270-7393 , Office: P/3769 )

Most Active Art Unit
3793
Art Unit(s)
3792, 3793, 3762, 3769, 3797
Total Applications
671
Issued Applications
393
Pending Applications
88
Abandoned Applications
205

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20584592 [patent_doc_number] => 20260070182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-12 [patent_title] => CHEMICAL MECHANICAL PLANARIZATION APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 19/325606 [patent_app_country] => US [patent_app_date] => 2025-09-11 [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] => -6 [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] => 19325606 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/325606
CHEMICAL MECHANICAL PLANARIZATION APPARATUS AND METHOD Sep 10, 2025 Abandoned
Array ( [id] => 19575078 [patent_doc_number] => 20240379370 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => SUBSTRATE PROCESSING METHOD [patent_app_type] => utility [patent_app_number] => 18/780952 [patent_app_country] => US [patent_app_date] => 2024-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17208 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18780952 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/780952
SUBSTRATE PROCESSING METHOD Jul 22, 2024 Pending
Array ( [id] => 19555495 [patent_doc_number] => 20240367287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => Methods of Measuring and Grinding an Ice Blade, and Apparatuses Using Same [patent_app_type] => utility [patent_app_number] => 18/769675 [patent_app_country] => US [patent_app_date] => 2024-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11479 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18769675 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/769675
Methods of Measuring and Grinding an Ice Blade, and Apparatuses Using Same Jul 10, 2024 Pending
Array ( [id] => 19753433 [patent_doc_number] => 20250041998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => NON-MOTORIZED VACUUM SANDING TOOL [patent_app_type] => utility [patent_app_number] => 18/763014 [patent_app_country] => US [patent_app_date] => 2024-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2532 [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] => 18763014 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/763014
NON-MOTORIZED VACUUM SANDING TOOL Jul 2, 2024 Pending
Array ( [id] => 19658997 [patent_doc_number] => 20240426062 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => Metal abrasive module for machining rails [patent_app_type] => utility [patent_app_number] => 18/749027 [patent_app_country] => US [patent_app_date] => 2024-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2955 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18749027 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/749027
Metal abrasive module for machining rails Jun 19, 2024 Pending
Array ( [id] => 19657565 [patent_doc_number] => 20240424630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => COATED ARTICLES, METHODS OF POLISHING, AND METHODS OF MAKING THE SAME [patent_app_type] => utility [patent_app_number] => 18/747710 [patent_app_country] => US [patent_app_date] => 2024-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16821 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18747710 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/747710
COATED ARTICLES, METHODS OF POLISHING, AND METHODS OF MAKING THE SAME Jun 18, 2024 Pending
Array ( [id] => 19662011 [patent_doc_number] => 20240429076 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => WAFER PROCESSING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/746282 [patent_app_country] => US [patent_app_date] => 2024-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5762 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 335 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18746282 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/746282
WAFER PROCESSING APPARATUS Jun 17, 2024 Pending
Array ( [id] => 19463054 [patent_doc_number] => 20240316723 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => RETAINING RING HAVING INNER SURFACES WITH FEATURES [patent_app_type] => utility [patent_app_number] => 18/736281 [patent_app_country] => US [patent_app_date] => 2024-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6545 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18736281 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/736281
Retaining ring having inner surfaces with features Jun 5, 2024 Issued
Array ( [id] => 19613846 [patent_doc_number] => 20240399526 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => POLISHING HEAD AND POLISHING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/670447 [patent_app_country] => US [patent_app_date] => 2024-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8279 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18670447 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/670447
POLISHING HEAD AND POLISHING SYSTEM May 20, 2024 Pending
Array ( [id] => 19585537 [patent_doc_number] => 20240383094 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => POLISHING PAD AND MANUFACTURING METHOD OF POLISHING PAD AND POLISHING METHOD [patent_app_type] => utility [patent_app_number] => 18/661715 [patent_app_country] => US [patent_app_date] => 2024-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9053 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18661715 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/661715
POLISHING PAD AND MANUFACTURING METHOD OF POLISHING PAD AND POLISHING METHOD May 12, 2024 Pending
Array ( [id] => 19831493 [patent_doc_number] => 20250083279 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => POLISHING PROCESS APPARATUS [patent_app_type] => utility [patent_app_number] => 18/661972 [patent_app_country] => US [patent_app_date] => 2024-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9704 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18661972 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/661972
POLISHING PROCESS APPARATUS May 12, 2024 Pending
Array ( [id] => 19555492 [patent_doc_number] => 20240367284 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => GRINDING APPARATUS AND CRYSTAL ORIENTATION ADJUSTMENT FIXTURE THEREOF [patent_app_type] => utility [patent_app_number] => 18/653115 [patent_app_country] => US [patent_app_date] => 2024-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4092 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18653115 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/653115
GRINDING APPARATUS AND CRYSTAL ORIENTATION ADJUSTMENT FIXTURE THEREOF May 1, 2024 Pending
Array ( [id] => 19585533 [patent_doc_number] => 20240383090 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => METHOD OF GRINDING WAFER [patent_app_type] => utility [patent_app_number] => 18/653465 [patent_app_country] => US [patent_app_date] => 2024-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4780 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18653465 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/653465
METHOD OF GRINDING WAFER May 1, 2024 Pending
Array ( [id] => 19600174 [patent_doc_number] => 20240391054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => POLISHING APPARATUS AND POLISHING METHOD [patent_app_type] => utility [patent_app_number] => 18/651947 [patent_app_country] => US [patent_app_date] => 2024-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6701 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18651947 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/651947
POLISHING APPARATUS AND POLISHING METHOD Apr 30, 2024 Pending
Array ( [id] => 20308456 [patent_doc_number] => 20250326085 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-23 [patent_title] => Method and System for Conditioning a Polishing Pad [patent_app_type] => utility [patent_app_number] => 18/643511 [patent_app_country] => US [patent_app_date] => 2024-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8524 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18643511 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/643511
Method and System for Conditioning a Polishing Pad Apr 22, 2024 Pending
Array ( [id] => 19839428 [patent_doc_number] => 12251788 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Polishing head with local wafer pressure [patent_app_type] => utility [patent_app_number] => 18/630886 [patent_app_country] => US [patent_app_date] => 2024-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 6023 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18630886 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/630886
Polishing head with local wafer pressure Apr 8, 2024 Issued
Array ( [id] => 20219090 [patent_doc_number] => 20250282021 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => Disc Grinding for Semiconductor Wafers on Polishing System [patent_app_type] => utility [patent_app_number] => 18/598871 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8369 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18598871 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/598871
Disc Grinding for Semiconductor Wafers on Polishing System Mar 6, 2024 Pending
Array ( [id] => 19939379 [patent_doc_number] => 12311495 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Temperature control in chemical mechanical polish [patent_app_type] => utility [patent_app_number] => 18/410408 [patent_app_country] => US [patent_app_date] => 2024-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 1130 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18410408 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/410408
Temperature control in chemical mechanical polish Jan 10, 2024 Issued
Array ( [id] => 19126390 [patent_doc_number] => 20240131743 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => TOOLS FOR CUTTING AND SANDING SOLID MATERIALS [patent_app_type] => utility [patent_app_number] => 18/396729 [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] => 2173 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18396729 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/396729
TOOLS FOR CUTTING AND SANDING SOLID MATERIALS Dec 26, 2023 Pending
Array ( [id] => 19111823 [patent_doc_number] => 20240123573 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => ABRASIVE BELT GRINDING PRODUCT [patent_app_type] => utility [patent_app_number] => 18/395559 [patent_app_country] => US [patent_app_date] => 2023-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10298 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18395559 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/395559
Abrasive belt grinding product Dec 22, 2023 Issued
Menu