Search

Richard A. Huhn

Examiner (ID: 15678, Phone: (571)270-7345 , Office: P/1764 )

Most Active Art Unit
1764
Art Unit(s)
1796, 1764, 4131
Total Applications
1115
Issued Applications
764
Pending Applications
72
Abandoned Applications
304

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20337591 [patent_doc_number] => 20250341711 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => METHODS AND SYSTEMS FOR VOLUMETRIC IMAGING [patent_app_type] => utility [patent_app_number] => 19/270278 [patent_app_country] => US [patent_app_date] => 2025-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29511 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19270278 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/270278
METHODS AND SYSTEMS FOR VOLUMETRIC IMAGING Jul 14, 2025 Pending
Array ( [id] => 19848281 [patent_doc_number] => 20250093632 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => OPTICAL SYSTEM MOUNTED ON A CONFOCAL ENDOMICROSCOPE [patent_app_type] => utility [patent_app_number] => 18/962254 [patent_app_country] => US [patent_app_date] => 2024-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14211 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18962254 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/962254
OPTICAL SYSTEM MOUNTED ON A CONFOCAL ENDOMICROSCOPE Nov 26, 2024 Pending
Array ( [id] => 20000073 [patent_doc_number] => 20250138295 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => DARK-FIELD CONFOCAL MICROSCOPIC MEASUREMENT APPARATUS AND METHOD BASED ON FREQUENCY MISMATCH DEMODULATION [patent_app_type] => utility [patent_app_number] => 18/776664 [patent_app_country] => US [patent_app_date] => 2024-07-18 [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] => -10 [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] => 18776664 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/776664
DARK-FIELD CONFOCAL MICROSCOPIC MEASUREMENT APPARATUS AND METHOD BASED ON FREQUENCY MISMATCH DEMODULATION Jul 17, 2024 Pending
Array ( [id] => 19510214 [patent_doc_number] => 20240341900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => METHOD FOR OPERATING A SURGICAL MICROSCOPY SYSTEM, AND SURGICAL MICROSCOPY SYSTEM [patent_app_type] => utility [patent_app_number] => 18/753588 [patent_app_country] => US [patent_app_date] => 2024-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17594 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18753588 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/753588
Method for operating a surgical microscopy system, and surgical microscopy system Jun 24, 2024 Issued
Array ( [id] => 19481336 [patent_doc_number] => 20240329378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => OPTICAL SYSTEM AND METHOD FOR IMAGING AN OBJECT [patent_app_type] => utility [patent_app_number] => 18/743573 [patent_app_country] => US [patent_app_date] => 2024-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3708 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18743573 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/743573
OPTICAL SYSTEM AND METHOD FOR IMAGING AN OBJECT Jun 13, 2024 Abandoned
Array ( [id] => 19481336 [patent_doc_number] => 20240329378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => OPTICAL SYSTEM AND METHOD FOR IMAGING AN OBJECT [patent_app_type] => utility [patent_app_number] => 18/743573 [patent_app_country] => US [patent_app_date] => 2024-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3708 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18743573 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/743573
OPTICAL SYSTEM AND METHOD FOR IMAGING AN OBJECT Jun 13, 2024 Abandoned
Array ( [id] => 20228143 [patent_doc_number] => 12416792 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Photographing optical lens assembly, image capturing unit and electronic device [patent_app_type] => utility [patent_app_number] => 18/642523 [patent_app_country] => US [patent_app_date] => 2024-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 28 [patent_no_of_words] => 19198 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18642523 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/642523
Photographing optical lens assembly, image capturing unit and electronic device Apr 21, 2024 Issued
Array ( [id] => 19405150 [patent_doc_number] => 20240288661 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => ZOOM OPTICAL SYSTEM, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING THE ZOOM OPTICAL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/636549 [patent_app_country] => US [patent_app_date] => 2024-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8349 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18636549 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/636549
ZOOM OPTICAL SYSTEM, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING THE ZOOM OPTICAL SYSTEM Apr 15, 2024 Pending
Array ( [id] => 20174280 [patent_doc_number] => 12393024 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Optical system for a microscope [patent_app_type] => utility [patent_app_number] => 18/441028 [patent_app_country] => US [patent_app_date] => 2024-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 4469 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18441028 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/441028
Optical system for a microscope Feb 13, 2024 Issued
Array ( [id] => 19917195 [patent_doc_number] => 12292560 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Contactless visualization system for a surgical microscope for eye surgery [patent_app_type] => utility [patent_app_number] => 18/422785 [patent_app_country] => US [patent_app_date] => 2024-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18422785 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/422785
Contactless visualization system for a surgical microscope for eye surgery Jan 24, 2024 Issued
Array ( [id] => 19174056 [patent_doc_number] => 20240160030 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => Long-Range Optical Device with an Opto-Electronic Display [patent_app_type] => utility [patent_app_number] => 18/411895 [patent_app_country] => US [patent_app_date] => 2024-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14659 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18411895 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/411895
Long-range optical device with an opto-electronic display Jan 11, 2024 Issued
Array ( [id] => 19174056 [patent_doc_number] => 20240160030 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => Long-Range Optical Device with an Opto-Electronic Display [patent_app_type] => utility [patent_app_number] => 18/411895 [patent_app_country] => US [patent_app_date] => 2024-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14659 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18411895 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/411895
Long-range optical device with an opto-electronic display Jan 11, 2024 Issued
Array ( [id] => 19099301 [patent_doc_number] => 20240118529 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => SAMPLE OBSERVATION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/542741 [patent_app_country] => US [patent_app_date] => 2023-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16185 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18542741 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/542741
SAMPLE OBSERVATION APPARATUS Dec 16, 2023 Pending
Array ( [id] => 19005247 [patent_doc_number] => 20240069318 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => BINOCULAR OPERATING MICROSCOPE PROTECTIVE SHIELD BARRIER [patent_app_type] => utility [patent_app_number] => 18/388067 [patent_app_country] => US [patent_app_date] => 2023-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3878 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18388067 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/388067
BINOCULAR OPERATING MICROSCOPE PROTECTIVE SHIELD BARRIER Nov 7, 2023 Abandoned
Array ( [id] => 20273244 [patent_doc_number] => 12443020 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Visualization devices, systems, and methods for otology and other uses [patent_app_type] => utility [patent_app_number] => 18/369592 [patent_app_country] => US [patent_app_date] => 2023-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 2238 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18369592 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/369592
Visualization devices, systems, and methods for otology and other uses Sep 17, 2023 Issued
Array ( [id] => 18863600 [patent_doc_number] => 20230418036 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => OPERATING MICROSCOPE HAVING AN ILLUMINATION DEVICE [patent_app_type] => utility [patent_app_number] => 18/244249 [patent_app_country] => US [patent_app_date] => 2023-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8233 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18244249 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/244249
Operating microscope having an illumination device Sep 8, 2023 Issued
Array ( [id] => 18863600 [patent_doc_number] => 20230418036 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => OPERATING MICROSCOPE HAVING AN ILLUMINATION DEVICE [patent_app_type] => utility [patent_app_number] => 18/244249 [patent_app_country] => US [patent_app_date] => 2023-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8233 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18244249 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/244249
Operating microscope having an illumination device Sep 8, 2023 Issued
Array ( [id] => 18818966 [patent_doc_number] => 20230393306 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => THIN FILM COATINGS ON TRANSPARENT SUBSTRATES AND METHODS OF MAKING AND USING THEREOF [patent_app_type] => utility [patent_app_number] => 18/235044 [patent_app_country] => US [patent_app_date] => 2023-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10800 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18235044 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235044
THIN FILM COATINGS ON TRANSPARENT SUBSTRATES AND METHODS OF MAKING AND USING THEREOF Aug 16, 2023 Pending
Array ( [id] => 18818966 [patent_doc_number] => 20230393306 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => THIN FILM COATINGS ON TRANSPARENT SUBSTRATES AND METHODS OF MAKING AND USING THEREOF [patent_app_type] => utility [patent_app_number] => 18/235044 [patent_app_country] => US [patent_app_date] => 2023-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10800 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18235044 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235044
THIN FILM COATINGS ON TRANSPARENT SUBSTRATES AND METHODS OF MAKING AND USING THEREOF Aug 16, 2023 Pending
Array ( [id] => 18787485 [patent_doc_number] => 20230375805 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => IMAGING LENS SYSTEM, IMAGE CAPTURING DEVICE AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/229749 [patent_app_country] => US [patent_app_date] => 2023-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14113 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18229749 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/229749
Imaging lens system, image capturing device and electronic device Aug 2, 2023 Issued
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