Search

Ulka J. Chauhan

Supervisory Patent Examiner (ID: 8926, Phone: (571)272-7782 , Office: P/2614 )

Most Active Art Unit
2676
Art Unit(s)
2415, 2773, 2614, 2671, 2679, 2303, 2776, 2628, 2676, 2317
Total Applications
538
Issued Applications
439
Pending Applications
34
Abandoned Applications
65

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20207580 [patent_doc_number] => 20250277300 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => PREPARATION METHOD FOR GRADIENT NEAR-EQUIAXED CRYSTAL CR COATING ON THE SURFACE OF ZIRCONIUM ALLOY CLADDING [patent_app_type] => utility [patent_app_number] => 19/211264 [patent_app_country] => US [patent_app_date] => 2025-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2502 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 343 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19211264 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/211264
Preparation method for gradient near-equiaxed crystal Cr coating on the surface of zirconium alloy cladding May 17, 2025 Issued
Array ( [id] => 19631598 [patent_doc_number] => 20240410047 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => P-TYPE GALLIUM OXIDE FILM, AND PREPARATION METHOD AND APPLICATION THEREOF [patent_app_type] => utility [patent_app_number] => 18/811486 [patent_app_country] => US [patent_app_date] => 2024-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9846 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18811486 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/811486
P-type gallium oxide film, and preparation method and application thereof Aug 20, 2024 Issued
Array ( [id] => 19601550 [patent_doc_number] => 20240392430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => DEPOSITION SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/789424 [patent_app_country] => US [patent_app_date] => 2024-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10374 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18789424 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/789424
DEPOSITION SYSTEM AND METHOD Jul 29, 2024 Pending
Array ( [id] => 19696328 [patent_doc_number] => 20250014873 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => CARRIER WITH VERTICAL GRID FOR SUPPORTING SUBSTRATES IN COATER [patent_app_type] => utility [patent_app_number] => 18/770976 [patent_app_country] => US [patent_app_date] => 2024-07-12 [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] => -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] => 18770976 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/770976
Carrier with vertical grid for supporting substrates in coater Jul 11, 2024 Issued
Array ( [id] => 20420611 [patent_doc_number] => 20250382696 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-18 [patent_title] => SPUTTER TARGET MAGNET [patent_app_type] => utility [patent_app_number] => 18/741464 [patent_app_country] => US [patent_app_date] => 2024-06-12 [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] => -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] => 18741464 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/741464
SPUTTER TARGET MAGNET Jun 11, 2024 Issued
Array ( [id] => 19407078 [patent_doc_number] => 20240290589 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => Plasma Measuring Method and Plasma Processing Apparatus [patent_app_type] => utility [patent_app_number] => 18/443196 [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] => 7513 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18443196 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/443196
Plasma Measuring Method and Plasma Processing Apparatus Feb 14, 2024 Pending
Array ( [id] => 19221360 [patent_doc_number] => 20240186064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => SOFT MAGNETIC MULTILAYER DESPOSITION APPARATUS, METHODS OF MANUFACTURING AND MAGNETIC MULTILAYER [patent_app_type] => utility [patent_app_number] => 18/440448 [patent_app_country] => US [patent_app_date] => 2024-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8450 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 387 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18440448 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/440448
SOFT MAGNETIC MULTILAYER DESPOSITION APPARATUS, METHODS OF MANUFACTURING AND MAGNETIC MULTILAYER Feb 12, 2024 Abandoned
Array ( [id] => 19361263 [patent_doc_number] => 20240263297 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => LASER INDUCED IONIZATION OF INERT AND REACTIVE GASSES FOR MAGNETRON SPUTTERING [patent_app_type] => utility [patent_app_number] => 18/436260 [patent_app_country] => US [patent_app_date] => 2024-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5416 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18436260 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/436260
LASER INDUCED IONIZATION OF INERT AND REACTIVE GASSES FOR MAGNETRON SPUTTERING Feb 7, 2024 Pending
Array ( [id] => 20150827 [patent_doc_number] => 20250250665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => Chamber Port Assembly [patent_app_type] => utility [patent_app_number] => 18/431332 [patent_app_country] => US [patent_app_date] => 2024-02-02 [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] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18431332 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/431332
Chamber Port Assembly Feb 1, 2024 Pending
Array ( [id] => 19384546 [patent_doc_number] => 20240274416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => PLASMA PROCESS SIMULATION METHOD AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/430475 [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] => 7437 [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] => 18430475 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/430475
PLASMA PROCESS SIMULATION METHOD AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD INCLUDING THE SAME Jan 31, 2024 Pending
Array ( [id] => 20139374 [patent_doc_number] => 20250246418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => SENSOR IN CHAMBER INSERT RING ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/425323 [patent_app_country] => US [patent_app_date] => 2024-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4415 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18425323 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/425323
SENSOR IN CHAMBER INSERT RING ASSEMBLY Jan 28, 2024 Pending
Array ( [id] => 19249196 [patent_doc_number] => 20240200183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => DEVICES AND METHODS FOR SPUTTERING AT LEAST TWO ELEMENTS [patent_app_type] => utility [patent_app_number] => 18/541027 [patent_app_country] => US [patent_app_date] => 2023-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33694 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18541027 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/541027
DEVICES AND METHODS FOR SPUTTERING AT LEAST TWO ELEMENTS Dec 14, 2023 Pending
Array ( [id] => 19234148 [patent_doc_number] => 20240191341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => STABLE GROUND ANODE APERTURE FOR THIN FILM PROCESSING [patent_app_type] => utility [patent_app_number] => 18/537523 [patent_app_country] => US [patent_app_date] => 2023-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6543 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18537523 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/537523
STABLE GROUND ANODE APERTURE FOR THIN FILM PROCESSING Dec 11, 2023 Pending
Array ( [id] => 19916414 [patent_doc_number] => 12291772 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Low-friction long-life ultra-lattice composite coating as well as preparation method and use thereof [patent_app_type] => utility [patent_app_number] => 18/833935 [patent_app_country] => US [patent_app_date] => 2023-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 9574 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 924 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18833935 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/833935
Low-friction long-life ultra-lattice composite coating as well as preparation method and use thereof Dec 10, 2023 Issued
Array ( [id] => 19300656 [patent_doc_number] => 20240229225 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => DIFFUSION BONDED TUNGSTEN CONTAINING TARGET TO COPPER ALLOY BACKING PLATE [patent_app_type] => utility [patent_app_number] => 18/531641 [patent_app_country] => US [patent_app_date] => 2023-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4448 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18531641 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/531641
DIFFUSION BONDED TUNGSTEN CONTAINING TARGET TO COPPER ALLOY BACKING PLATE Dec 5, 2023 Pending
Array ( [id] => 19984386 [patent_doc_number] => 20250122608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => DIFFUSION BONDED TUNGSTEN CONTAINING TARGET TO TITANIUM OR TITANIUM ALLOY BACKING PLATE [patent_app_type] => utility [patent_app_number] => 18/531652 [patent_app_country] => US [patent_app_date] => 2023-12-06 [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] => -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] => 18531652 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/531652
DIFFUSION BONDED TUNGSTEN CONTAINING TARGET TO TITANIUM OR TITANIUM ALLOY BACKING PLATE Dec 5, 2023 Pending
Array ( [id] => 20232871 [patent_doc_number] => 20250290190 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => METHOD FOR MANUFACTURING OF ZIRCONIUM ALLOY CLADDING TUBES [patent_app_type] => utility [patent_app_number] => 18/576153 [patent_app_country] => US [patent_app_date] => 2023-12-05 [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] => -8 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18576153 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/576153
METHOD FOR MANUFACTURING OF ZIRCONIUM ALLOY CLADDING TUBES Dec 4, 2023 Pending
Array ( [id] => 19206068 [patent_doc_number] => 20240177967 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => METHOD FOR MICROMACHINING A BIOLOGICAL SAMPLE FOR CREATING A LAMELLA FOR ANALYSIS IN A CRYO-CHARGED PARTICLE MICROSCOPE [patent_app_type] => utility [patent_app_number] => 18/522679 [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] => 5358 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18522679 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/522679
METHOD FOR MICROMACHINING A BIOLOGICAL SAMPLE FOR CREATING A LAMELLA FOR ANALYSIS IN A CRYO-CHARGED PARTICLE MICROSCOPE Nov 28, 2023 Pending
Array ( [id] => 20033665 [patent_doc_number] => 20250171887 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => STRESS CONTROL METHOD FOR PHYSICAL VAPOR DEPOSITION OF ALUMINUM [patent_app_type] => utility [patent_app_number] => 18/523238 [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] => 2646 [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] => 18523238 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/523238
STRESS CONTROL METHOD FOR PHYSICAL VAPOR DEPOSITION OF ALUMINUM Nov 28, 2023 Pending
Array ( [id] => 19218323 [patent_doc_number] => 20240183027 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => FILM FORMATION METHOD AND FILM FORMATION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/519586 [patent_app_country] => US [patent_app_date] => 2023-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7732 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18519586 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/519586
Film formation method and film formation apparatus Nov 26, 2023 Issued
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