Search

Tarifur Rashid Chowdhury

Supervisory Patent Examiner (ID: 4818, Phone: (571)272-2287 , Office: P/2886 )

Most Active Art Unit
2871
Art Unit(s)
2871, 2877, 2886
Total Applications
1103
Issued Applications
925
Pending Applications
120
Abandoned Applications
66

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19685717 [patent_doc_number] => 20250004262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => INTERFEROMETRIC IMAGING SYSTEM USING A DIGITAL FOCAL PLANE ARRAY [patent_app_type] => utility [patent_app_number] => 18/215395 [patent_app_country] => US [patent_app_date] => 2023-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5412 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18215395 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/215395
INTERFEROMETRIC IMAGING SYSTEM USING A DIGITAL FOCAL PLANE ARRAY Jun 27, 2023 Abandoned
Array ( [id] => 18863588 [patent_doc_number] => 20230418024 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => Adjustment Device for Adjusting Optical Components of an Optical Instrument and Device Arrangement [patent_app_type] => utility [patent_app_number] => 18/339595 [patent_app_country] => US [patent_app_date] => 2023-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3693 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18339595 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/339595
Adjustment Device for Adjusting Optical Components of an Optical Instrument and Device Arrangement Jun 21, 2023 Pending
Array ( [id] => 18819038 [patent_doc_number] => 20230393378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => MICRO DISTANCE ADJUSTING MECHANISM AND MICROSCOPE DEVICE [patent_app_type] => utility [patent_app_number] => 18/329162 [patent_app_country] => US [patent_app_date] => 2023-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5943 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18329162 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/329162
Micro distance adjusting mechanism and microscope device Jun 4, 2023 Issued
Array ( [id] => 19617070 [patent_doc_number] => 20240402750 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => PROJECTION OPTICS FOR OPTICAL COMPUTING [patent_app_type] => utility [patent_app_number] => 18/204263 [patent_app_country] => US [patent_app_date] => 2023-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9913 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18204263 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/204263
PROJECTION OPTICS FOR OPTICAL COMPUTING May 30, 2023 Pending
Array ( [id] => 18650985 [patent_doc_number] => 20230296820 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => POLARIZING PLATE AND IMAGE DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/322299 [patent_app_country] => US [patent_app_date] => 2023-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18322299 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/322299
POLARIZING PLATE AND IMAGE DISPLAY DEVICE May 22, 2023 Pending
Array ( [id] => 18755148 [patent_doc_number] => 20230358575 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => OPTICAL SENSOR READOUT AND INTERROGATING AN OPTICAL SENSOR [patent_app_type] => utility [patent_app_number] => 18/144787 [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] => 9663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18144787 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/144787
OPTICAL SENSOR READOUT AND INTERROGATING AN OPTICAL SENSOR May 7, 2023 Pending
Array ( [id] => 19529388 [patent_doc_number] => 20240353290 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => SYSTEM AND METHOD FOR CALIBRATING THE LIGHT SENSITIVITY OF A CAMERA [patent_app_type] => utility [patent_app_number] => 18/302893 [patent_app_country] => US [patent_app_date] => 2023-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8747 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18302893 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/302893
System and method for calibrating the light sensitivity of a camera Apr 18, 2023 Issued
Array ( [id] => 20034256 [patent_doc_number] => 20250172478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => DEVICE AND METHOD FOR DETERMINING A SEDIMENTATION RATE [patent_app_type] => utility [patent_app_number] => 18/856821 [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] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18856821 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/856821
Device and method for determining a sedimentation rate Apr 12, 2023 Issued
Array ( [id] => 18924863 [patent_doc_number] => 20240027867 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => ELECTRONIC LABEL DEVICE FOR ELECTRONIC SHELF LABEL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/193379 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3443 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18193379 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/193379
ELECTRONIC LABEL DEVICE FOR ELECTRONIC SHELF LABEL SYSTEM Mar 29, 2023 Pending
Array ( [id] => 18727330 [patent_doc_number] => 20230341616 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => OPTICAL MEMBER [patent_app_type] => utility [patent_app_number] => 18/190313 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8504 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18190313 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/190313
Optical member Mar 26, 2023 Issued
Array ( [id] => 18772216 [patent_doc_number] => 20230367039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => Optical Film Structure [patent_app_type] => utility [patent_app_number] => 18/187306 [patent_app_country] => US [patent_app_date] => 2023-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3109 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18187306 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/187306
Optical Film Structure Mar 20, 2023 Pending
Array ( [id] => 18392612 [patent_doc_number] => 20230160831 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => SENSOR SYSTEM FOR MULTI-COMPONENT FLUIDS [patent_app_type] => utility [patent_app_number] => 18/095282 [patent_app_country] => US [patent_app_date] => 2023-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7734 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18095282 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/095282
SENSOR SYSTEM FOR MULTI-COMPONENT FLUIDS Jan 9, 2023 Pending
Array ( [id] => 18094967 [patent_doc_number] => 20220413308 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => WEARABLE ELECTRONIC DEVICE FOR PROVIDING VIRTUAL IMAGE [patent_app_type] => utility [patent_app_number] => 17/902231 [patent_app_country] => US [patent_app_date] => 2022-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21079 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17902231 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/902231
Wearable electronic device for providing virtual image Sep 1, 2022 Issued
Array ( [id] => 20242283 [patent_doc_number] => 12422598 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => ATR prism and method of manufacturing ATR prism [patent_app_type] => utility [patent_app_number] => 17/900234 [patent_app_country] => US [patent_app_date] => 2022-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 1165 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [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] => 17900234 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/900234
ATR prism and method of manufacturing ATR prism Aug 30, 2022 Issued
Array ( [id] => 19962563 [patent_doc_number] => 12332054 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Laser interferometer [patent_app_type] => utility [patent_app_number] => 17/898646 [patent_app_country] => US [patent_app_date] => 2022-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 20 [patent_no_of_words] => 13928 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17898646 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/898646
Laser interferometer Aug 29, 2022 Issued
Array ( [id] => 18160344 [patent_doc_number] => 20230026936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => Light Emission and Reflective Analyzing System [patent_app_type] => utility [patent_app_number] => 17/870669 [patent_app_country] => US [patent_app_date] => 2022-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4902 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17870669 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/870669
Light Emission and Reflective Analyzing System Jul 20, 2022 Abandoned
Array ( [id] => 19498463 [patent_doc_number] => 20240337481 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => Method for optical measurement of a thread on an end of a metal pipe or on a sleeve [patent_app_type] => utility [patent_app_number] => 18/293558 [patent_app_country] => US [patent_app_date] => 2022-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3370 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18293558 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/293558
Method for optical measurement of a thread on an end of a metal pipe or on a sleeve Jul 7, 2022 Pending
Array ( [id] => 19302380 [patent_doc_number] => 20240230957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => OPTICAL LENS HAVING AN ASYMMETRIC MIRROR [patent_app_type] => utility [patent_app_number] => 18/560996 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17238 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18560996 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/560996
OPTICAL LENS HAVING AN ASYMMETRIC MIRROR May 23, 2022 Pending
Array ( [id] => 17778011 [patent_doc_number] => 20220244361 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => LIDAR CONTROL DEVICE, LIDAR CONTROL METHOD, AND LIDAR DEVICE [patent_app_type] => utility [patent_app_number] => 17/727422 [patent_app_country] => US [patent_app_date] => 2022-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 30606 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17727422 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/727422
LIDAR CONTROL DEVICE, LIDAR CONTROL METHOD, AND LIDAR DEVICE Apr 21, 2022 Pending
Array ( [id] => 17901541 [patent_doc_number] => 20220311203 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => ELECTROMAGNETIC GAS SPECTROMETER [patent_app_type] => utility [patent_app_number] => 17/703989 [patent_app_country] => US [patent_app_date] => 2022-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10812 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17703989 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/703989
ELECTROMAGNETIC GAS SPECTROMETER Mar 24, 2022 Abandoned
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