Search

David M. Purol

Examiner (ID: 12291, Phone: (571)272-6833 , Office: P/3634 )

Most Active Art Unit
3634
Art Unit(s)
3505, 3509, 3623, 2899, 3634
Total Applications
2967
Issued Applications
2215
Pending Applications
74
Abandoned Applications
679

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20579381 [patent_doc_number] => 12571628 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Optical test device [patent_app_type] => utility [patent_app_number] => 18/449609 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18449609 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/449609
Optical test device Aug 13, 2023 Issued
Array ( [id] => 20415035 [patent_doc_number] => 12498313 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Methods, systems, devices, and electronic apparatuses for measuring concentration of water and lipids components [patent_app_type] => utility [patent_app_number] => 18/230670 [patent_app_country] => US [patent_app_date] => 2023-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1704 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 440 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18230670 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/230670
Methods, systems, devices, and electronic apparatuses for measuring concentration of water and lipids components Aug 6, 2023 Issued
Array ( [id] => 18787190 [patent_doc_number] => 20230375439 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => METHOD AND SYSTEM FOR CHARACTERIZING A FOCUSING OPTICAL ELEMENT [patent_app_type] => utility [patent_app_number] => 18/362170 [patent_app_country] => US [patent_app_date] => 2023-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8006 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18362170 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/362170
METHOD AND SYSTEM FOR CHARACTERIZING A FOCUSING OPTICAL ELEMENT Jul 30, 2023 Pending
Array ( [id] => 18781648 [patent_doc_number] => 11823406 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-11-21 [patent_title] => Moire-based distance measurement system [patent_app_type] => utility [patent_app_number] => 18/224041 [patent_app_country] => US [patent_app_date] => 2023-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 29 [patent_no_of_words] => 6307 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18224041 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/224041
Moire-based distance measurement system Jul 18, 2023 Issued
Array ( [id] => 18997000 [patent_doc_number] => 11913835 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-27 [patent_title] => Vector noise subtraction in vapor cell spectroscopy [patent_app_type] => utility [patent_app_number] => 18/353175 [patent_app_country] => US [patent_app_date] => 2023-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7765 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18353175 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/353175
Vector noise subtraction in vapor cell spectroscopy Jul 16, 2023 Issued
Array ( [id] => 20344212 [patent_doc_number] => 12467939 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Optical probe for measuring wall-shear stress [patent_app_type] => utility [patent_app_number] => 18/222845 [patent_app_country] => US [patent_app_date] => 2023-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 1147 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18222845 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/222845
Optical probe for measuring wall-shear stress Jul 16, 2023 Issued
Array ( [id] => 19506216 [patent_doc_number] => 12117633 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Optical filter [patent_app_type] => utility [patent_app_number] => 18/346857 [patent_app_country] => US [patent_app_date] => 2023-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 8607 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18346857 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/346857
Optical filter Jul 4, 2023 Issued
Array ( [id] => 20379683 [patent_doc_number] => 20250362176 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => SENSOR MODULE FOR RAMAN SPECTROSCOPY, ELECTRONIC DEVICE AND METHOD OF CONDUCTING RAMAN SPECTROSCOPY [patent_app_type] => utility [patent_app_number] => 18/993075 [patent_app_country] => US [patent_app_date] => 2023-06-23 [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] => -14 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18993075 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/993075
SENSOR MODULE FOR RAMAN SPECTROSCOPY, ELECTRONIC DEVICE AND METHOD OF CONDUCTING RAMAN SPECTROSCOPY Jun 22, 2023 Pending
Array ( [id] => 19282693 [patent_doc_number] => 20240219169 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => THICKNESS DETECTING DEVICE AND THICKNESS DETECTING METHOD [patent_app_type] => utility [patent_app_number] => 18/335952 [patent_app_country] => US [patent_app_date] => 2023-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4751 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18335952 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/335952
THICKNESS DETECTING DEVICE AND THICKNESS DETECTING METHOD Jun 14, 2023 Abandoned
Array ( [id] => 20220789 [patent_doc_number] => 20250283720 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => MINIATURIZED INTERFEROMETRIC INTEGRATED PHOTONIC GYROSCOPE [patent_app_type] => utility [patent_app_number] => 18/862592 [patent_app_country] => US [patent_app_date] => 2023-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2203 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18862592 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/862592
MINIATURIZED INTERFEROMETRIC INTEGRATED PHOTONIC GYROSCOPE Jun 13, 2023 Pending
Array ( [id] => 19049547 [patent_doc_number] => 20240091516 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => ACOUSTIC TWEEZER [patent_app_type] => utility [patent_app_number] => 18/330751 [patent_app_country] => US [patent_app_date] => 2023-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5006 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18330751 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/330751
ACOUSTIC TWEEZER Jun 6, 2023 Pending
Array ( [id] => 20272989 [patent_doc_number] => 12442764 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Turbidimeter [patent_app_type] => utility [patent_app_number] => 18/203352 [patent_app_country] => US [patent_app_date] => 2023-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 4321 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18203352 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/203352
Turbidimeter May 29, 2023 Issued
Array ( [id] => 18650580 [patent_doc_number] => 20230296413 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => OPTICAL GRATING DISK, METHOD FOR IDENTIFYING Z-PHASE SIGNAL, PHOTOELECTRIC ENCODER, AND LIDAR [patent_app_type] => utility [patent_app_number] => 18/202268 [patent_app_country] => US [patent_app_date] => 2023-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6710 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18202268 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/202268
OPTICAL GRATING DISK, METHOD FOR IDENTIFYING Z-PHASE SIGNAL, PHOTOELECTRIC ENCODER, AND LIDAR May 24, 2023 Abandoned
Array ( [id] => 20289342 [patent_doc_number] => 20250314585 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => LOCALISED SURFACE PLASMONIC SENSING [patent_app_type] => utility [patent_app_number] => 18/866526 [patent_app_country] => US [patent_app_date] => 2023-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12789 [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] => 18866526 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/866526
LOCALISED SURFACE PLASMONIC SENSING May 15, 2023 Pending
Array ( [id] => 20460210 [patent_doc_number] => 20260009634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-08 [patent_title] => DEVICE, APPARATUS, AND METHOD FOR CONFOCAL-CHROMATIC DISTANCE AND/OR THICKNESS MEASUREMENT [patent_app_type] => utility [patent_app_number] => 18/993368 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 950 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18993368 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/993368
DEVICE, APPARATUS, AND METHOD FOR CONFOCAL-CHROMATIC DISTANCE AND/OR THICKNESS MEASUREMENT May 10, 2023 Pending
Array ( [id] => 18755206 [patent_doc_number] => 20230358633 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => COMMANDED LOCATION AND CALIBRATION VERIFICATION FOR HIGH-SPEED LASER MOTION SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/144554 [patent_app_country] => US [patent_app_date] => 2023-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6767 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18144554 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/144554
Commanded location and calibration verification for high-speed laser motion systems May 7, 2023 Issued
Array ( [id] => 18584205 [patent_doc_number] => 20230266467 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => PROJECTOR PATTERN [patent_app_type] => utility [patent_app_number] => 18/311278 [patent_app_country] => US [patent_app_date] => 2023-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28338 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18311278 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/311278
PROJECTOR PATTERN May 2, 2023 Abandoned
Array ( [id] => 20280707 [patent_doc_number] => 20250305949 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => WAVELENGTH-SCANNING-BASED LENSLESS FOURIER PTYCHOGRAPHIC DIFFRACTION TOMOGRAPHY MICROSCOPY METHOD [patent_app_type] => utility [patent_app_number] => 18/864133 [patent_app_country] => US [patent_app_date] => 2023-04-27 [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] => -5 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18864133 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/864133
WAVELENGTH-SCANNING-BASED LENSLESS FOURIER PTYCHOGRAPHIC DIFFRACTION TOMOGRAPHY MICROSCOPY METHOD Apr 26, 2023 Pending
Array ( [id] => 19052468 [patent_doc_number] => 20240094437 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => MOE-based illumination projector [patent_app_type] => utility [patent_app_number] => 18/307820 [patent_app_country] => US [patent_app_date] => 2023-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3536 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18307820 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/307820
MOE-based illumination projector Apr 26, 2023 Issued
Array ( [id] => 18710258 [patent_doc_number] => 20230332882 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => FLUSH-MOUNT DEFORMATION MONITORING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/134400 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2040 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18134400 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/134400
Flush-mount deformation monitoring system Apr 12, 2023 Issued
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