Search

Gary L. Welch

Supervisory Patent Examiner (ID: 4739, Phone: (571)272-4996 , Office: P/4100 )

Most Active Art Unit
3765
Art Unit(s)
3765, OPT, 1732, 3741
Total Applications
811
Issued Applications
665
Pending Applications
55
Abandoned Applications
91

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19963042 [patent_doc_number] => 12332539 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Reconfigurable all-optical activation functions having normalized output power [patent_app_type] => utility [patent_app_number] => 17/972927 [patent_app_country] => US [patent_app_date] => 2022-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 7185 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17972927 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/972927
Reconfigurable all-optical activation functions having normalized output power Oct 24, 2022 Issued
Array ( [id] => 19963042 [patent_doc_number] => 12332539 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Reconfigurable all-optical activation functions having normalized output power [patent_app_type] => utility [patent_app_number] => 17/972927 [patent_app_country] => US [patent_app_date] => 2022-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 7185 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17972927 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/972927
Reconfigurable all-optical activation functions having normalized output power Oct 24, 2022 Issued
Array ( [id] => 19114388 [patent_doc_number] => 20240126138 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => SYSTEM AND METHOD FOR GENERATING OPTICAL FREQUENCY COMBS USING AN OPTICAL WAVEGUIDE INCLUDING CHIRPED BRAGG GRATINGS [patent_app_type] => utility [patent_app_number] => 18/045936 [patent_app_country] => US [patent_app_date] => 2022-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5399 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18045936 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/045936
System and method for generating optical frequency combs using an optical waveguide including chirped Bragg gratings Oct 11, 2022 Issued
Array ( [id] => 19131433 [patent_doc_number] => 20240136786 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => CONTINUOUS WAVE OPTICAL TWO-WAY TIME TRANSFER [patent_app_type] => utility [patent_app_number] => 18/045591 [patent_app_country] => US [patent_app_date] => 2022-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7280 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18045591 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/045591
Continuous wave optical two-way time transfer Oct 10, 2022 Issued
Array ( [id] => 19398177 [patent_doc_number] => 12072537 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => Fiber optic connector and method of assembling the same [patent_app_type] => utility [patent_app_number] => 18/045051 [patent_app_country] => US [patent_app_date] => 2022-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 6109 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18045051 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/045051
Fiber optic connector and method of assembling the same Oct 6, 2022 Issued
Array ( [id] => 20130401 [patent_doc_number] => 12372708 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Waveguide and augmented reality device employing the same [patent_app_type] => utility [patent_app_number] => 17/962176 [patent_app_country] => US [patent_app_date] => 2022-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 4306 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17962176 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/962176
Waveguide and augmented reality device employing the same Oct 6, 2022 Issued
Array ( [id] => 20387692 [patent_doc_number] => 12487417 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Photonic glass layer substrate with embedded optical structures for communicating with an electro optical integrated circuit [patent_app_type] => utility [patent_app_number] => 17/959973 [patent_app_country] => US [patent_app_date] => 2022-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 27 [patent_no_of_words] => 7574 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17959973 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/959973
Photonic glass layer substrate with embedded optical structures for communicating with an electro optical integrated circuit Oct 3, 2022 Issued
Array ( [id] => 18297820 [patent_doc_number] => 20230107506 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-06 [patent_title] => COHERENT HIGH SPEED OPTICAL VALVE [patent_app_type] => utility [patent_app_number] => 17/940661 [patent_app_country] => US [patent_app_date] => 2022-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11159 [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] => 17940661 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/940661
COHERENT HIGH SPEED OPTICAL VALVE Sep 7, 2022 Abandoned
Array ( [id] => 18385643 [patent_doc_number] => 11656422 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Modular fibre optic cassette, system and method [patent_app_type] => utility [patent_app_number] => 17/929566 [patent_app_country] => US [patent_app_date] => 2022-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 2325 [patent_no_of_claims] => 65 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17929566 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/929566
Modular fibre optic cassette, system and method Sep 1, 2022 Issued
Array ( [id] => 18240615 [patent_doc_number] => 20230072926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => MULTIWAVELENGTH OPTICAL SOURCES [patent_app_type] => utility [patent_app_number] => 17/901741 [patent_app_country] => US [patent_app_date] => 2022-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 35830 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17901741 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/901741
MULTIWAVELENGTH OPTICAL SOURCES Aug 31, 2022 Pending
Array ( [id] => 18240615 [patent_doc_number] => 20230072926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => MULTIWAVELENGTH OPTICAL SOURCES [patent_app_type] => utility [patent_app_number] => 17/901741 [patent_app_country] => US [patent_app_date] => 2022-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 35830 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17901741 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/901741
MULTIWAVELENGTH OPTICAL SOURCES Aug 31, 2022 Pending
Array ( [id] => 19061080 [patent_doc_number] => 11940305 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Methods and apparatus for determining shape parameter(s) using a sensing fiber having a single core with multiple light propagating modes [patent_app_type] => utility [patent_app_number] => 17/899463 [patent_app_country] => US [patent_app_date] => 2022-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 47 [patent_no_of_words] => 9875 [patent_no_of_claims] => 20 [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] => 17899463 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/899463
Methods and apparatus for determining shape parameter(s) using a sensing fiber having a single core with multiple light propagating modes Aug 29, 2022 Issued
Array ( [id] => 18079070 [patent_doc_number] => 20220404682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => OPTICAL SIGNAL COPIER [patent_app_type] => utility [patent_app_number] => 17/897001 [patent_app_country] => US [patent_app_date] => 2022-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8257 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 568 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17897001 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/897001
OPTICAL SIGNAL COPIER Aug 25, 2022 Abandoned
Array ( [id] => 19219477 [patent_doc_number] => 20240184181 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => OPTICAL WAVEGUIDE ELEMENT, OPTICAL MODULATOR, OPTICAL MODULATION MODULE, AND OPTICAL TRANSMISSION DEVICE [patent_app_type] => utility [patent_app_number] => 18/550472 [patent_app_country] => US [patent_app_date] => 2022-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14358 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18550472 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/550472
OPTICAL WAVEGUIDE ELEMENT, OPTICAL MODULATOR, OPTICAL MODULATION MODULE, AND OPTICAL TRANSMISSION DEVICE Aug 24, 2022 Pending
Array ( [id] => 18326181 [patent_doc_number] => 20230124309 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => FIBER OPTIC CONNECTOR WITH FIBER END PROTECTION [patent_app_type] => utility [patent_app_number] => 17/892276 [patent_app_country] => US [patent_app_date] => 2022-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5660 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17892276 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/892276
FIBER OPTIC CONNECTOR WITH FIBER END PROTECTION Aug 21, 2022 Abandoned
Array ( [id] => 18059602 [patent_doc_number] => 20220390688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => Optical Communications Connectors [patent_app_type] => utility [patent_app_number] => 17/892716 [patent_app_country] => US [patent_app_date] => 2022-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5148 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 17892716 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/892716
Optical communications connectors Aug 21, 2022 Issued
Array ( [id] => 19911330 [patent_doc_number] => 12287538 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Optical hybrid-waveguide electro-optical modulator [patent_app_type] => utility [patent_app_number] => 17/820673 [patent_app_country] => US [patent_app_date] => 2022-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 1161 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17820673 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/820673
Optical hybrid-waveguide electro-optical modulator Aug 17, 2022 Issued
Array ( [id] => 18266133 [patent_doc_number] => 20230087375 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => ROBOTIC STABILIZATION MECHANISMS AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 17/889843 [patent_app_country] => US [patent_app_date] => 2022-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11119 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17889843 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/889843
ROBOTIC STABILIZATION MECHANISMS AND RELATED METHODS Aug 16, 2022 Pending
Array ( [id] => 19941753 [patent_doc_number] => 12313880 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Optical integrated device, optical integrated circuit wafer, and method of manufacturing the optical integrated device [patent_app_type] => utility [patent_app_number] => 17/884895 [patent_app_country] => US [patent_app_date] => 2022-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 30 [patent_no_of_words] => 3646 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17884895 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/884895
Optical integrated device, optical integrated circuit wafer, and method of manufacturing the optical integrated device Aug 9, 2022 Issued
Array ( [id] => 19941753 [patent_doc_number] => 12313880 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Optical integrated device, optical integrated circuit wafer, and method of manufacturing the optical integrated device [patent_app_type] => utility [patent_app_number] => 17/884895 [patent_app_country] => US [patent_app_date] => 2022-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 30 [patent_no_of_words] => 3646 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17884895 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/884895
Optical integrated device, optical integrated circuit wafer, and method of manufacturing the optical integrated device Aug 9, 2022 Issued
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