Search

Sultan U. Chowdhury

Examiner (ID: 13868, Phone: (571)270-3336 , Office: P/2882 )

Most Active Art Unit
2882
Art Unit(s)
2882, 2878
Total Applications
1791
Issued Applications
1586
Pending Applications
80
Abandoned Applications
158

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18052600 [patent_doc_number] => 11525976 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-13 [patent_title] => Focusing mechanism and projection device [patent_app_type] => utility [patent_app_number] => 17/209235 [patent_app_country] => US [patent_app_date] => 2021-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5256 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17209235 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/209235
Focusing mechanism and projection device Mar 22, 2021 Issued
Array ( [id] => 17146526 [patent_doc_number] => 20210314539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => PROJECTION APPARATUS [patent_app_type] => utility [patent_app_number] => 17/210288 [patent_app_country] => US [patent_app_date] => 2021-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7094 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17210288 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/210288
Projection apparatus Mar 22, 2021 Issued
Array ( [id] => 17793793 [patent_doc_number] => 20220252885 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => OPTICAL DISPLAY SYSTEM, CONTROL METHOD AND DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/627087 [patent_app_country] => US [patent_app_date] => 2021-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7796 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17627087 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/627087
Optical display system, control method and display device Mar 17, 2021 Issued
Array ( [id] => 17098450 [patent_doc_number] => 20210286241 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => PROJECTOR [patent_app_type] => utility [patent_app_number] => 17/202411 [patent_app_country] => US [patent_app_date] => 2021-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5521 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17202411 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/202411
Projector with holder features Mar 15, 2021 Issued
Array ( [id] => 17068942 [patent_doc_number] => 20210271158 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => HIGH RESOLUTION SCANNING OF REMOTE OBJECTS WITH FAST SWEEPING LASER BEAMS AND SIGNAL RECOVERY BY TWITCHY PIXEL ARRAY [patent_app_type] => utility [patent_app_number] => 17/189204 [patent_app_country] => US [patent_app_date] => 2021-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24323 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17189204 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/189204
High resolution scanning of remote objects with fast sweeping laser beams and signal recovery by twitchy pixel array Feb 28, 2021 Issued
Array ( [id] => 17068941 [patent_doc_number] => 20210271157 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => PROJECTION APPARATUS [patent_app_type] => utility [patent_app_number] => 17/184548 [patent_app_country] => US [patent_app_date] => 2021-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4046 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17184548 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/184548
Projection apparatus Feb 23, 2021 Issued
Array ( [id] => 17038571 [patent_doc_number] => 20210255530 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => DYNAMIC USER CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/175846 [patent_app_country] => US [patent_app_date] => 2021-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10393 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 17175846 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/175846
DYNAMIC USER CONTROL SYSTEM Feb 14, 2021 Abandoned
Array ( [id] => 18372782 [patent_doc_number] => 11652969 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-16 [patent_title] => Projection apparatus and operation detection apparatus [patent_app_type] => utility [patent_app_number] => 17/169734 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 35 [patent_no_of_words] => 9390 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17169734 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/169734
Projection apparatus and operation detection apparatus Feb 7, 2021 Issued
Array ( [id] => 17026698 [patent_doc_number] => 20210250570 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => CORRECTION POLARIZATION COMPENSATION OPTIC FOR DISPLAY SYSTEMS [patent_app_type] => utility [patent_app_number] => 17/168991 [patent_app_country] => US [patent_app_date] => 2021-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9409 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 17168991 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/168991
Correction polarization compensation optic for display systems Feb 4, 2021 Issued
Array ( [id] => 19413003 [patent_doc_number] => 12078816 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Grating collimator, backlight system, and method employing a light-recycling light source [patent_app_type] => utility [patent_app_number] => 17/168108 [patent_app_country] => US [patent_app_date] => 2021-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 8893 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17168108 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/168108
Grating collimator, backlight system, and method employing a light-recycling light source Feb 3, 2021 Issued
Array ( [id] => 16996630 [patent_doc_number] => 20210235051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => CONTROL METHOD FOR PROJECTOR AND PROJECTOR [patent_app_type] => utility [patent_app_number] => 17/160451 [patent_app_country] => US [patent_app_date] => 2021-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4808 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17160451 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/160451
Control method for projector and projector Jan 27, 2021 Issued
Array ( [id] => 18079007 [patent_doc_number] => 20220404619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => AUGMENTED REALITY DISPLAY HAVING A THIN OPTICAL COMBINER [patent_app_type] => utility [patent_app_number] => 17/641667 [patent_app_country] => US [patent_app_date] => 2021-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5362 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 17641667 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/641667
Augmented reality display having a thin optical combiner Jan 26, 2021 Issued
Array ( [id] => 17729145 [patent_doc_number] => 11385532 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-12 [patent_title] => Projection system and projector [patent_app_type] => utility [patent_app_number] => 17/156170 [patent_app_country] => US [patent_app_date] => 2021-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 12177 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [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] => 17156170 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/156170
Projection system and projector Jan 21, 2021 Issued
Array ( [id] => 16993512 [patent_doc_number] => 20210231932 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => PROJECTION SYSTEM AND PROJECTOR [patent_app_type] => utility [patent_app_number] => 17/155232 [patent_app_country] => US [patent_app_date] => 2021-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7952 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17155232 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/155232
Projection system and projector Jan 21, 2021 Issued
Array ( [id] => 17510689 [patent_doc_number] => 20220103793 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => CINEMA PROJECTION METHOD AND SYSTEM [patent_app_type] => utility [patent_app_number] => 17/152912 [patent_app_country] => US [patent_app_date] => 2021-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5071 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17152912 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/152912
Cinema projection method and system Jan 19, 2021 Issued
Array ( [id] => 16967442 [patent_doc_number] => 20210218941 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => PROJECTOR [patent_app_type] => utility [patent_app_number] => 17/148617 [patent_app_country] => US [patent_app_date] => 2021-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10577 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17148617 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/148617
Projector with operation member for adjusting a position of a lens Jan 13, 2021 Issued
Array ( [id] => 17923572 [patent_doc_number] => 11466812 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-10-11 [patent_title] => Universally adjusting ultra short throw projector credenza [patent_app_type] => utility [patent_app_number] => 17/146432 [patent_app_country] => US [patent_app_date] => 2021-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 99 [patent_no_of_words] => 5146 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17146432 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/146432
Universally adjusting ultra short throw projector credenza Jan 10, 2021 Issued
Array ( [id] => 19294901 [patent_doc_number] => 12034267 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-09 [patent_title] => Methods and systems for spectral beam-combining [patent_app_type] => utility [patent_app_number] => 17/146267 [patent_app_country] => US [patent_app_date] => 2021-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 21 [patent_no_of_words] => 10161 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17146267 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/146267
Methods and systems for spectral beam-combining Jan 10, 2021 Issued
Array ( [id] => 17698598 [patent_doc_number] => 11372319 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-28 [patent_title] => LCD projector with active color separation lighting [patent_app_type] => utility [patent_app_number] => 17/139565 [patent_app_country] => US [patent_app_date] => 2020-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4879 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17139565 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/139565
LCD projector with active color separation lighting Dec 30, 2020 Issued
Array ( [id] => 18330388 [patent_doc_number] => 11635624 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-04-25 [patent_title] => Light guide display assembly for providing increased pupil replication density [patent_app_type] => utility [patent_app_number] => 17/135994 [patent_app_country] => US [patent_app_date] => 2020-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 23 [patent_no_of_words] => 38793 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17135994 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/135994
Light guide display assembly for providing increased pupil replication density Dec 27, 2020 Issued
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