Search

Zachary L. Kuhfuss

Examiner (ID: 10748, Phone: (571)270-7858 , Office: P/3617 )

Most Active Art Unit
3617
Art Unit(s)
3617, 3615
Total Applications
1276
Issued Applications
960
Pending Applications
91
Abandoned Applications
242

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20348381 [patent_doc_number] => 20250345233 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => SYSTEMS AND METHODS FOR TREATING FLUID STASIS [patent_app_type] => utility [patent_app_number] => 19/276536 [patent_app_country] => US [patent_app_date] => 2025-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18147 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19276536 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/276536
SYSTEMS AND METHODS FOR TREATING FLUID STASIS Jul 21, 2025 Pending
Array ( [id] => 20039451 [patent_doc_number] => 20250177673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => POSITIVE PRESSURE VENTILATION APPARATUS AND POSITIVE PRESSURE MASK [patent_app_type] => utility [patent_app_number] => 19/045542 [patent_app_country] => US [patent_app_date] => 2025-02-04 [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] => -17 [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] => 19045542 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/045542
POSITIVE PRESSURE VENTILATION APPARATUS AND POSITIVE PRESSURE MASK Feb 3, 2025 Pending
Array ( [id] => 20497855 [patent_doc_number] => 20260027312 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-29 [patent_title] => NOISE-REDUCING GAS PASSAGE DEVICE WITH A RESONANT CHAMBER [patent_app_type] => utility [patent_app_number] => 18/785025 [patent_app_country] => US [patent_app_date] => 2024-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4107 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 18785025 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/785025
NOISE-REDUCING GAS PASSAGE DEVICE WITH A RESONANT CHAMBER Jul 25, 2024 Pending
Array ( [id] => 19554669 [patent_doc_number] => 20240366461 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => EYE TREATMENT APPARATUS AND METHOD WITH INDEPENDENT PRESSURE SOURCES [patent_app_type] => utility [patent_app_number] => 18/737913 [patent_app_country] => US [patent_app_date] => 2024-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34315 [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] => 18737913 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/737913
Eye treatment apparatus and method with independent pressure sources Jun 6, 2024 Issued
Array ( [id] => 19535471 [patent_doc_number] => 12128004 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Systems and methods for treating fluid stasis [patent_app_type] => utility [patent_app_number] => 18/665969 [patent_app_country] => US [patent_app_date] => 2024-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 49 [patent_no_of_words] => 23704 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18665969 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/665969
Systems and methods for treating fluid stasis May 15, 2024 Issued
Array ( [id] => 19613403 [patent_doc_number] => 20240399083 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => METHODS AND APPARATUS FOR VENTILATORY TREATMENT OF RESPIRATORY DISORDERS [patent_app_type] => utility [patent_app_number] => 18/654181 [patent_app_country] => US [patent_app_date] => 2024-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28311 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18654181 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/654181
METHODS AND APPARATUS FOR VENTILATORY TREATMENT OF RESPIRATORY DISORDERS May 2, 2024 Pending
Array ( [id] => 20371340 [patent_doc_number] => 12478756 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Respiratory pressure therapy device [patent_app_type] => utility [patent_app_number] => 18/625281 [patent_app_country] => US [patent_app_date] => 2024-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 39 [patent_no_of_words] => 16781 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18625281 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/625281
Respiratory pressure therapy device Apr 2, 2024 Issued
Array ( [id] => 19111426 [patent_doc_number] => 20240123176 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => CONTROL SYSTEM FOR PORTABLE OXYGEN CONCENTRATOR [patent_app_type] => utility [patent_app_number] => 18/539372 [patent_app_country] => US [patent_app_date] => 2023-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6276 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18539372 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/539372
CONTROL SYSTEM FOR PORTABLE OXYGEN CONCENTRATOR Dec 13, 2023 Pending
Array ( [id] => 19171102 [patent_doc_number] => 20240157076 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => METHODS AND DEVICES FOR DETERMINING A POSITION OF AN ENDOTRACHEAL TUBE [patent_app_type] => utility [patent_app_number] => 18/510340 [patent_app_country] => US [patent_app_date] => 2023-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15413 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18510340 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/510340
METHODS AND DEVICES FOR DETERMINING A POSITION OF AN ENDOTRACHEAL TUBE Nov 14, 2023 Pending
Array ( [id] => 20212655 [patent_doc_number] => 12409290 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Patient interface and aspects thereof [patent_app_type] => utility [patent_app_number] => 18/482405 [patent_app_country] => US [patent_app_date] => 2023-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 43 [patent_figures_cnt] => 75 [patent_no_of_words] => 8970 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18482405 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/482405
Patient interface and aspects thereof Oct 5, 2023 Issued
Array ( [id] => 18921603 [patent_doc_number] => 20240024607 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => ADJUSTABLE HEADGEAR TUBING FOR A PATIENT INTERFACE [patent_app_type] => utility [patent_app_number] => 18/479304 [patent_app_country] => US [patent_app_date] => 2023-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 39422 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18479304 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/479304
ADJUSTABLE HEADGEAR TUBING FOR A PATIENT INTERFACE Oct 1, 2023 Pending
Array ( [id] => 18877686 [patent_doc_number] => 20240001055 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => Interactive Apparatus and Method for Real-Time Profiling of Inhalation Efforts [patent_app_type] => utility [patent_app_number] => 18/467580 [patent_app_country] => US [patent_app_date] => 2023-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8505 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18467580 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/467580
Interactive Apparatus and Method for Real-Time Profiling of Inhalation Efforts Sep 13, 2023 Pending
Array ( [id] => 20592531 [patent_doc_number] => 12576227 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Powering breathing apparatus [patent_app_type] => utility [patent_app_number] => 18/448461 [patent_app_country] => US [patent_app_date] => 2023-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 23 [patent_no_of_words] => 11785 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 311 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18448461 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/448461
Powering breathing apparatus Aug 10, 2023 Issued
Array ( [id] => 18784959 [patent_doc_number] => 20230372657 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => OXYGEN THERAPY ADMINISTRATION METHODS AND RELATED APPARATUS [patent_app_type] => utility [patent_app_number] => 18/362059 [patent_app_country] => US [patent_app_date] => 2023-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9316 [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] => 18362059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/362059
Oxygen therapy administration methods and related apparatus Jul 30, 2023 Issued
Array ( [id] => 18724522 [patent_doc_number] => 20230338681 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => ANESTHESIA MACHINE, VETERINARY ANESTHESIA MACHINE, AND FAN ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/345047 [patent_app_country] => US [patent_app_date] => 2023-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4751 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18345047 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/345047
ANESTHESIA MACHINE, VETERINARY ANESTHESIA MACHINE, AND FAN ASSEMBLY Jun 29, 2023 Pending
Array ( [id] => 18724527 [patent_doc_number] => 20230338686 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => PATIENT INTERFACE WITH BLOWOUT PREVENTION FOR SEAL-FORMING PORTION [patent_app_type] => utility [patent_app_number] => 18/343252 [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] => 30290 [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] => 18343252 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/343252
PATIENT INTERFACE WITH BLOWOUT PREVENTION FOR SEAL-FORMING PORTION Jun 27, 2023 Pending
Array ( [id] => 18842841 [patent_doc_number] => 20230405245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => DRY POWDER INHALER [patent_app_type] => utility [patent_app_number] => 18/198698 [patent_app_country] => US [patent_app_date] => 2023-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6728 [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] => 18198698 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/198698
Dry powder inhaler May 16, 2023 Issued
Array ( [id] => 18626890 [patent_doc_number] => 20230285702 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => POSITIVE PRESSURE VENTILATION APPARATUS AND POSITIVE PRESSURE MASK [patent_app_type] => utility [patent_app_number] => 18/197703 [patent_app_country] => US [patent_app_date] => 2023-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4993 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18197703 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/197703
Positive pressure ventilation apparatus and positive pressure mask May 14, 2023 Issued
Array ( [id] => 20526108 [patent_doc_number] => 12544527 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Start-up protocols for nitric oxide delivery device [patent_app_type] => utility [patent_app_number] => 18/310152 [patent_app_country] => US [patent_app_date] => 2023-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2550 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18310152 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/310152
Start-up protocols for nitric oxide delivery device Apr 30, 2023 Issued
Array ( [id] => 18738273 [patent_doc_number] => 20230347189 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => Independent Control of Effective Pore Diameter and Porosity of Masking Material to Increase Particle Capture and Breathing Easiness [patent_app_type] => utility [patent_app_number] => 18/308636 [patent_app_country] => US [patent_app_date] => 2023-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1120 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18308636 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/308636
Independent Control of Effective Pore Diameter and Porosity of Masking Material to Increase Particle Capture and Breathing Easiness Apr 26, 2023 Pending
Menu