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] => 19572990 [patent_doc_number] => 20240377282 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => EQUIPMENT AND METHOD FOR MEASURING LOSS AND CROSSTALK THAT OCCUR IN OPTICAL FIBER TRANSMISSION LINE [patent_app_type] => utility [patent_app_number] => 18/689806 [patent_app_country] => US [patent_app_date] => 2021-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8433 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18689806 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/689806
Equipment and method for measuring loss and crosstalk that occur in optical fiber transmission line Sep 28, 2021 Issued
Array ( [id] => 17506490 [patent_doc_number] => 20220099593 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => METHODS AND SYSTEMS FOR REDUCING DEFECTS [patent_app_type] => utility [patent_app_number] => 17/484924 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10849 [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] => 17484924 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/484924
METHODS AND SYSTEMS FOR REDUCING DEFECTS Sep 23, 2021 Abandoned
Array ( [id] => 19685230 [patent_doc_number] => 20250003775 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => OPTICAL FIBER SENSING DEVICE AND METHOD [patent_app_type] => utility [patent_app_number] => 18/689685 [patent_app_country] => US [patent_app_date] => 2021-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4823 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18689685 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/689685
OPTICAL FIBER SENSING DEVICE AND METHOD Sep 20, 2021 Pending
Array ( [id] => 17337397 [patent_doc_number] => 20220003728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => FLOW CELL WITH ONE OR MORE BARRIER FEATURES [patent_app_type] => utility [patent_app_number] => 17/479342 [patent_app_country] => US [patent_app_date] => 2021-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 32311 [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] => 17479342 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/479342
Flow cell with one or more barrier features Sep 19, 2021 Issued
Array ( [id] => 19587521 [patent_doc_number] => 20240385078 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => OPTICAL REFLECTOMETRY DEVICE AND METHOD [patent_app_type] => utility [patent_app_number] => 18/688116 [patent_app_country] => US [patent_app_date] => 2021-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3482 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18688116 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/688116
Optical reflectometry device and method Sep 16, 2021 Issued
Array ( [id] => 18981125 [patent_doc_number] => 11906288 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Three-dimensional shape measuring method and three-dimensional shape measuring device [patent_app_type] => utility [patent_app_number] => 17/475387 [patent_app_country] => US [patent_app_date] => 2021-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9360 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17475387 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/475387
Three-dimensional shape measuring method and three-dimensional shape measuring device Sep 14, 2021 Issued
Array ( [id] => 17475309 [patent_doc_number] => 20220082813 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => APPARATUS FOR THE INSPECTION OF A CIRCULAR ELONGATED ELEMENT [patent_app_type] => utility [patent_app_number] => 17/472446 [patent_app_country] => US [patent_app_date] => 2021-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16530 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17472446 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/472446
APPARATUS FOR THE INSPECTION OF A CIRCULAR ELONGATED ELEMENT Sep 9, 2021 Abandoned
Array ( [id] => 17642999 [patent_doc_number] => 20220170737 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => MULTI-BAND ATTRIBUTE BLENDING IN THREE-DIMENSIONAL SPACE [patent_app_type] => utility [patent_app_number] => 17/412793 [patent_app_country] => US [patent_app_date] => 2021-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10809 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17412793 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/412793
MULTI-BAND ATTRIBUTE BLENDING IN THREE-DIMENSIONAL SPACE Aug 25, 2021 Abandoned
Array ( [id] => 17275628 [patent_doc_number] => 20210381826 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => MEASUREMENT APPARATUS [patent_app_type] => utility [patent_app_number] => 17/412525 [patent_app_country] => US [patent_app_date] => 2021-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13028 [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] => 17412525 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/412525
Measurement apparatus Aug 25, 2021 Issued
Array ( [id] => 17388366 [patent_doc_number] => 20220036218 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => METROLOGY AND PROCESS CONTROL FOR SEMICONDUCTOR MANUFACTURING [patent_app_type] => utility [patent_app_number] => 17/400157 [patent_app_country] => US [patent_app_date] => 2021-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6816 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17400157 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/400157
Metrology and process control for semiconductor manufacturing Aug 11, 2021 Issued
Array ( [id] => 20493490 [patent_doc_number] => 12535357 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Absorbance spectroscopy analyzer and method of use [patent_app_type] => utility [patent_app_number] => 18/007057 [patent_app_country] => US [patent_app_date] => 2021-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3206 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 417 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18007057 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/007057
Absorbance spectroscopy analyzer and method of use Jul 22, 2021 Issued
Array ( [id] => 18150408 [patent_doc_number] => 20230024266 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => REFINING DEFECT DETECTION USING PROCESS WINDOW [patent_app_type] => utility [patent_app_number] => 17/382415 [patent_app_country] => US [patent_app_date] => 2021-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5337 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17382415 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/382415
Refining defect detection using process window Jul 21, 2021 Issued
Array ( [id] => 18644085 [patent_doc_number] => 11768148 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-26 [patent_title] => Miniaturized optical particle detector [patent_app_type] => utility [patent_app_number] => 17/367160 [patent_app_country] => US [patent_app_date] => 2021-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 26 [patent_no_of_words] => 6289 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17367160 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/367160
Miniaturized optical particle detector Jul 1, 2021 Issued
Array ( [id] => 17172158 [patent_doc_number] => 20210325828 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => METHODS AND APPARATUS TO CALIBRATE SPATIAL LIGHT MODULATORS [patent_app_type] => utility [patent_app_number] => 17/359151 [patent_app_country] => US [patent_app_date] => 2021-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27955 [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] => 17359151 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/359151
Methods and apparatus to calibrate spatial light modulators Jun 24, 2021 Issued
Array ( [id] => 19718316 [patent_doc_number] => 12203847 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => Shape measurement system and shape measurement method [patent_app_type] => utility [patent_app_number] => 17/915924 [patent_app_country] => US [patent_app_date] => 2021-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 6605 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17915924 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/915924
Shape measurement system and shape measurement method Jun 2, 2021 Issued
Array ( [id] => 17275658 [patent_doc_number] => 20210381856 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => OPTICAL ENCODER AND CONTROL APPARATUS [patent_app_type] => utility [patent_app_number] => 17/337918 [patent_app_country] => US [patent_app_date] => 2021-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8649 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17337918 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/337918
Optical encoder and control apparatus Jun 2, 2021 Issued
Array ( [id] => 18037463 [patent_doc_number] => 20220381679 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => BIOSENSOR WITH GRATING ARRAY [patent_app_type] => utility [patent_app_number] => 17/333870 [patent_app_country] => US [patent_app_date] => 2021-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7023 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17333870 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/333870
Biosensor with grating array May 27, 2021 Issued
Array ( [id] => 17230181 [patent_doc_number] => 20210356738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-18 [patent_title] => Multi-Objective, Robust Constraints Enforced Global Topology Optimizer for Optical Devices [patent_app_type] => utility [patent_app_number] => 17/317624 [patent_app_country] => US [patent_app_date] => 2021-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13969 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17317624 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/317624
Multi-objective, robust constraints enforced global topology optimizer for optical devices May 10, 2021 Issued
Array ( [id] => 18888874 [patent_doc_number] => 11867641 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-09 [patent_title] => Image processing techniques for multi-sensor inspection of pipe interiors [patent_app_type] => utility [patent_app_number] => 17/307041 [patent_app_country] => US [patent_app_date] => 2021-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4984 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17307041 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/307041
Image processing techniques for multi-sensor inspection of pipe interiors May 3, 2021 Issued
Array ( [id] => 17053491 [patent_doc_number] => 20210262925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => Infrared CIE Methodology for Chemical Group Classification [patent_app_type] => utility [patent_app_number] => 17/245032 [patent_app_country] => US [patent_app_date] => 2021-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6832 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17245032 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/245032
Infrared CIE Methodology for Chemical Group Classification Apr 29, 2021 Abandoned
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