Search

John M. Hoffmann

Examiner (ID: 13343, Phone: (571)272-1191 , Office: P/1741 )

Most Active Art Unit
1731
Art Unit(s)
1741, 1303, 1731, 1791, 1712, 1304
Total Applications
1565
Issued Applications
722
Pending Applications
142
Abandoned Applications
703

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19319093 [patent_doc_number] => 20240240636 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => PUMPS [patent_app_type] => utility [patent_app_number] => 18/560367 [patent_app_country] => US [patent_app_date] => 2022-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12967 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -40 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18560367 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/560367
Pump with longitudinal flow channels May 11, 2022 Issued
Array ( [id] => 19402647 [patent_doc_number] => 20240286158 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => DEVICES FOR DISPENSING FLUIDS [patent_app_type] => utility [patent_app_number] => 18/289731 [patent_app_country] => US [patent_app_date] => 2022-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10403 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18289731 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/289731
Devices for dispensing fluids May 4, 2022 Issued
Array ( [id] => 17830899 [patent_doc_number] => 20220268203 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => GEARED TURBOFAN ENGINE WITH TARGETED MODULAR EFFICIENCY [patent_app_type] => utility [patent_app_number] => 17/737179 [patent_app_country] => US [patent_app_date] => 2022-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3923 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17737179 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/737179
Geared turbofan engine with targeted modular efficiency May 4, 2022 Issued
Array ( [id] => 19433381 [patent_doc_number] => 20240301879 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => ELEMENT, DEVICE AND METHOD FOR COMPRESSION OF A GAS TO BE COMPRESSED HAVING A LOW TEMPERATURE [patent_app_type] => utility [patent_app_number] => 18/284198 [patent_app_country] => US [patent_app_date] => 2022-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3776 [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] => 18284198 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/284198
Element, device and method for compression of a gas to be compressed having a low temperature Mar 22, 2022 Issued
Array ( [id] => 18225542 [patent_doc_number] => 20230064536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => COMPRESSOR AND AIR CONDITIONER [patent_app_type] => utility [patent_app_number] => 17/654437 [patent_app_country] => US [patent_app_date] => 2022-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8822 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17654437 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/654437
COMPRESSOR AND AIR CONDITIONER Mar 10, 2022 Abandoned
Array ( [id] => 17867930 [patent_doc_number] => 20220290666 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => SCROLL COMPRESSOR PROVIDED WITH AN HYDROSTATIC LOWER BEARING ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 17/690533 [patent_app_country] => US [patent_app_date] => 2022-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5022 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 314 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17690533 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/690533
Scroll compressor provided with an hydrostatic lower bearing arrangement Mar 8, 2022 Issued
Array ( [id] => 19196894 [patent_doc_number] => 11994126 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-28 [patent_title] => Methods and systems for lubricating a transport climate control system having an auxiliary sump [patent_app_type] => utility [patent_app_number] => 17/688430 [patent_app_country] => US [patent_app_date] => 2022-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 9690 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17688430 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/688430
Methods and systems for lubricating a transport climate control system having an auxiliary sump Mar 6, 2022 Issued
Array ( [id] => 18980898 [patent_doc_number] => 11906060 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Rotary compressor with backflow suppresion mechanism for an introduction path [patent_app_type] => utility [patent_app_number] => 17/682572 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 19 [patent_no_of_words] => 10559 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 472 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17682572 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/682572
Rotary compressor with backflow suppresion mechanism for an introduction path Feb 27, 2022 Issued
Array ( [id] => 19034984 [patent_doc_number] => 20240084799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => PUMP DEVICE [patent_app_type] => utility [patent_app_number] => 18/274207 [patent_app_country] => US [patent_app_date] => 2022-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6327 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18274207 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/274207
PUMP DEVICE Feb 1, 2022 Abandoned
Array ( [id] => 17762152 [patent_doc_number] => 20220235764 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => VARIABLE DISPLACEMENT VANE PUMP WITH IMPROVED PRESSURE CONTROL AND RANGE [patent_app_type] => utility [patent_app_number] => 17/580950 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2792 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17580950 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/580950
Variable displacement vane pump with improved pressure control and range Jan 20, 2022 Issued
Array ( [id] => 18718612 [patent_doc_number] => 11795948 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Stacked gerotor pump pressure pulsation reduction [patent_app_type] => utility [patent_app_number] => 17/581424 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2612 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17581424 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/581424
Stacked gerotor pump pressure pulsation reduction Jan 20, 2022 Issued
Array ( [id] => 17735499 [patent_doc_number] => 20220220958 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => Helical Trochoidal Rotary Machines with Improved Solids Handling [patent_app_type] => utility [patent_app_number] => 17/570154 [patent_app_country] => US [patent_app_date] => 2022-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12504 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17570154 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/570154
Helical trochoidal rotary machines with improved solids handling Jan 5, 2022 Issued
Array ( [id] => 18733834 [patent_doc_number] => 11802558 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-31 [patent_title] => Axial load in helical trochoidal rotary machines [patent_app_type] => utility [patent_app_number] => 17/565454 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 33 [patent_no_of_words] => 11323 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17565454 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/565454
Axial load in helical trochoidal rotary machines Dec 29, 2021 Issued
Array ( [id] => 19464980 [patent_doc_number] => 20240318649 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => SCREW ASSEMBLY FOR A TRIPLE SCREW PUMP AND SCREW PUMP COMPRISING SAID ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/547472 [patent_app_country] => US [patent_app_date] => 2021-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4204 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18547472 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/547472
Screw assembly for a triple screw pump and screw pump comprising said assembly Dec 27, 2021 Issued
Array ( [id] => 19449737 [patent_doc_number] => 20240309867 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => Hydraulic Gear Pump with Hydrostatic Shaft Bearing and Isolated Case Drain and Method of Operating a Hydraulic Gear Pump [patent_app_type] => utility [patent_app_number] => 18/576264 [patent_app_country] => US [patent_app_date] => 2021-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7934 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18576264 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/576264
Hydraulic gear pump with hydrostatic shaft bearing and isolated case drain and method of operating a hydraulic gear pump Dec 19, 2021 Issued
Array ( [id] => 18988525 [patent_doc_number] => 20240060494 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => SCROLL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/261041 [patent_app_country] => US [patent_app_date] => 2021-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8089 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 394 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18261041 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/261041
Scroll compressor with a thrust plate and a flexible thrust sheet member Dec 16, 2021 Issued
Array ( [id] => 17673667 [patent_doc_number] => 20220186834 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => BEAD GASKET [patent_app_type] => utility [patent_app_number] => 17/546686 [patent_app_country] => US [patent_app_date] => 2021-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18674 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17546686 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/546686
Pump with a multi-layered bead gasket Dec 8, 2021 Issued
Array ( [id] => 18576066 [patent_doc_number] => 11732584 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Rotary compressor with unequally spaced vane slots [patent_app_type] => utility [patent_app_number] => 17/536222 [patent_app_country] => US [patent_app_date] => 2021-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 13871 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17536222 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/536222
Rotary compressor with unequally spaced vane slots Nov 28, 2021 Issued
Array ( [id] => 19624648 [patent_doc_number] => 12163460 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Additively manufactured rotors for superchargers and expanders [patent_app_type] => utility [patent_app_number] => 17/520524 [patent_app_country] => US [patent_app_date] => 2021-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 5074 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17520524 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/520524
Additively manufactured rotors for superchargers and expanders Nov 4, 2021 Issued
Array ( [id] => 18940332 [patent_doc_number] => 20240035471 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => Compressor and Air Conditioner [patent_app_type] => utility [patent_app_number] => 18/267875 [patent_app_country] => US [patent_app_date] => 2021-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13803 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18267875 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/267875
Compressor with two rotors coaxially disposed on a connecting assembly sleeved on the shaft that limits relative movement between them Oct 24, 2021 Issued
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