Search

Mark D. Featherstone

Supervisory Patent Examiner (ID: 8997, Phone: (571)270-3750 , Office: P/4164 )

Most Active Art Unit
2423
Art Unit(s)
2623, 2111, 4164, 2166, 2423
Total Applications
334
Issued Applications
194
Pending Applications
15
Abandoned Applications
128

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20221093 [patent_doc_number] => 20250284024 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => Gamma-Ray Spectroscopy Logging Tool [patent_app_type] => utility [patent_app_number] => 18/598212 [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] => 9755 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18598212 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/598212
Gamma-Ray Spectroscopy Logging Tool Mar 6, 2024 Pending
Array ( [id] => 19237173 [patent_doc_number] => 20240194368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => SYSTEMS AND METHODS FOR DRIVING LEAVES IN A MULTI-LEAF COLLIMATOR [patent_app_type] => utility [patent_app_number] => 18/586409 [patent_app_country] => US [patent_app_date] => 2024-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27269 [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] => 18586409 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/586409
SYSTEMS AND METHODS FOR DRIVING LEAVES IN A MULTI-LEAF COLLIMATOR Feb 22, 2024 Pending
Array ( [id] => 20563623 [patent_doc_number] => 12566229 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-03 [patent_title] => Methods and apparatus for medical imaging event detection timing corrections and image reconstruction [patent_app_type] => utility [patent_app_number] => 18/584193 [patent_app_country] => US [patent_app_date] => 2024-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 3170 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18584193 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/584193
Methods and apparatus for medical imaging event detection timing corrections and image reconstruction Feb 21, 2024 Issued
Array ( [id] => 19188901 [patent_doc_number] => 20240167814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => METHOD AND SYSTEM FOR MONITORING DEPOSITION PROCESS [patent_app_type] => utility [patent_app_number] => 18/394623 [patent_app_country] => US [patent_app_date] => 2023-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18394623 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/394623
METHOD AND SYSTEM FOR MONITORING DEPOSITION PROCESS Dec 21, 2023 Pending
Array ( [id] => 19065255 [patent_doc_number] => 20240099681 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => MEDICAL DEVICE AND C-ARM BASED DEVICE THEREOF [patent_app_type] => utility [patent_app_number] => 18/534703 [patent_app_country] => US [patent_app_date] => 2023-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11658 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18534703 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/534703
MEDICAL DEVICE AND C-ARM BASED DEVICE THEREOF Dec 9, 2023 Pending
Array ( [id] => 19343873 [patent_doc_number] => 20240252836 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => MONOCHROMATIC X-RAY IMAGING SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 18/527721 [patent_app_country] => US [patent_app_date] => 2023-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17933 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18527721 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/527721
MONOCHROMATIC X-RAY IMAGING SYSTEMS AND METHODS Dec 3, 2023 Pending
18/519861 METHODS, SYSTEMS, AND COMPUTER-READABLE STORAGE MEDIA FOR ENHANCED PHASE-CONTRAST X-RAY IMAGING Nov 26, 2023 Abandoned
Array ( [id] => 18985990 [patent_doc_number] => 20240057959 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => METHOD AND APPARATUS FOR BREAST IMAGING [patent_app_type] => utility [patent_app_number] => 18/499206 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9784 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18499206 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/499206
Method and apparatus for breast imaging Oct 30, 2023 Issued
Array ( [id] => 20002286 [patent_doc_number] => 20250140508 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => THRUST BEARING VENT FOR A LIQUID METAL BEARING ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/497804 [patent_app_country] => US [patent_app_date] => 2023-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2385 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18497804 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/497804
THRUST BEARING VENT FOR A LIQUID METAL BEARING ASSEMBLY Oct 29, 2023 Pending
Array ( [id] => 19099221 [patent_doc_number] => 20240118449 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => Covert Surveillance Using Multi-Modality Sensing [patent_app_type] => utility [patent_app_number] => 18/487434 [patent_app_country] => US [patent_app_date] => 2023-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10422 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18487434 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/487434
Covert Surveillance Using Multi-Modality Sensing Oct 15, 2023 Pending
Array ( [id] => 20491673 [patent_doc_number] => 12533529 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Fluence map generation method, treatment plan generation method, and electronic device [patent_app_type] => utility [patent_app_number] => 18/379527 [patent_app_country] => US [patent_app_date] => 2023-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 5017 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18379527 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/379527
Fluence map generation method, treatment plan generation method, and electronic device Oct 11, 2023 Issued
Array ( [id] => 19889328 [patent_doc_number] => 20250114640 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => MULTI-SYSTEM SYNCHRONIZATION FOR SURFACE-GUIDED RADIATION THERAPY [patent_app_type] => utility [patent_app_number] => 18/376462 [patent_app_country] => US [patent_app_date] => 2023-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11384 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18376462 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/376462
Multi-system synchronization for surface-guided radiation therapy Oct 3, 2023 Issued
Array ( [id] => 19035539 [patent_doc_number] => 20240085354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => Steerable X-Ray Fluorescence Inspection Device [patent_app_type] => utility [patent_app_number] => 18/477898 [patent_app_country] => US [patent_app_date] => 2023-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2920 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18477898 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/477898
Steerable X-Ray Fluorescence Inspection Device Sep 28, 2023 Abandoned
Array ( [id] => 19068524 [patent_doc_number] => 20240102950 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => METHOD FOR DETERMINING PARAMETERS OF THREE DIMENSIONAL NANOSTRUCTURE AND APPARATUS APPLYING THE SAME [patent_app_type] => utility [patent_app_number] => 18/374289 [patent_app_country] => US [patent_app_date] => 2023-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5098 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18374289 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/374289
Method for determining parameters of three dimensional nanostructure and apparatus applying the same Sep 27, 2023 Issued
Array ( [id] => 20536955 [patent_doc_number] => 12554027 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Tuning method for collimator, controller, collimator and CT machine [patent_app_type] => utility [patent_app_number] => 18/243747 [patent_app_country] => US [patent_app_date] => 2023-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18243747 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/243747
Tuning method for collimator, controller, collimator and CT machine Sep 7, 2023 Issued
Array ( [id] => 19815292 [patent_doc_number] => 20250073499 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => QUALITY ASSURANCE FOR DOSING IN RADIOTHERAPY [patent_app_type] => utility [patent_app_number] => 18/239110 [patent_app_country] => US [patent_app_date] => 2023-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10106 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18239110 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/239110
Quality assurance for dosing in radiotherapy Aug 27, 2023 Issued
Array ( [id] => 20607262 [patent_doc_number] => 12582842 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Treatment adaptation in radiotherapy based on intra-fraction dosing [patent_app_type] => utility [patent_app_number] => 18/239112 [patent_app_country] => US [patent_app_date] => 2023-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 5465 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18239112 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/239112
Treatment adaptation in radiotherapy based on intra-fraction dosing Aug 27, 2023 Issued
Array ( [id] => 19035359 [patent_doc_number] => 20240085174 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => FEED-FORWARD OF MULTI-LAYER AND MULTI-PROCESS INFORMATION USING XPS AND XRF TECHNOLOGIES [patent_app_type] => utility [patent_app_number] => 18/453266 [patent_app_country] => US [patent_app_date] => 2023-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5899 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18453266 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/453266
FEED-FORWARD OF MULTI-LAYER AND MULTI-PROCESS INFORMATION USING XPS AND XRF TECHNOLOGIES Aug 20, 2023 Pending
Array ( [id] => 20355890 [patent_doc_number] => 12471867 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Image processing device, image processing method, and image processing program [patent_app_type] => utility [patent_app_number] => 18/452493 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 3963 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18452493 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/452493
Image processing device, image processing method, and image processing program Aug 17, 2023 Issued
Array ( [id] => 19465467 [patent_doc_number] => 20240319137 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => METHOD FOR IN-SITU U-Pb DATING OF HETEROGENEOUS MINERALS [patent_app_type] => utility [patent_app_number] => 18/451850 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4879 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 590 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18451850 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/451850
Method for in-situ U-Pb dating of heterogeneous minerals Aug 17, 2023 Issued
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