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] => 18297837 [patent_doc_number] => 20230107523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-06 [patent_title] => SCROLL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/956116 [patent_app_country] => US [patent_app_date] => 2022-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5209 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17956116 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/956116
Scroll compressor with a thin section in the orbiting volute wall Sep 28, 2022 Issued
Array ( [id] => 19601889 [patent_doc_number] => 20240392769 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => AIR COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/694328 [patent_app_country] => US [patent_app_date] => 2022-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11450 [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] => 18694328 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/694328
AIR COMPRESSOR Sep 20, 2022 Pending
Array ( [id] => 18144086 [patent_doc_number] => 20230017937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => ROTARY PISTON COMPRESSOR/PUMP/BLOWER WITH A VENTILATION CHANNEL [patent_app_type] => utility [patent_app_number] => 17/944017 [patent_app_country] => US [patent_app_date] => 2022-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4325 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17944017 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/944017
Rotary piston compressor/pump/blower with a ventilation channel Sep 12, 2022 Issued
Array ( [id] => 20623083 [patent_doc_number] => 12590584 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-31 [patent_title] => Supercharged internal combustion engine with intake port timing shutters controlling the air mass flowing into the supercharger [patent_app_type] => utility [patent_app_number] => 18/690179 [patent_app_country] => US [patent_app_date] => 2022-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 48 [patent_figures_cnt] => 66 [patent_no_of_words] => 5569 [patent_no_of_claims] => 54 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 330 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18690179 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/690179
SUPERCHARGED INTERNAL COMBUSTION ENGINE Sep 8, 2022 Issued
Array ( [id] => 19211344 [patent_doc_number] => 12000395 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-04 [patent_title] => Scroll compressor and refrigeration cycle device [patent_app_type] => utility [patent_app_number] => 17/901944 [patent_app_country] => US [patent_app_date] => 2022-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 10267 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17901944 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/901944
Scroll compressor and refrigeration cycle device Sep 1, 2022 Issued
Array ( [id] => 19593466 [patent_doc_number] => 12151287 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Method for manufacturing sintered component and sintered component [patent_app_type] => utility [patent_app_number] => 17/929328 [patent_app_country] => US [patent_app_date] => 2022-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 8102 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17929328 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/929328
Method for manufacturing sintered component and sintered component Sep 1, 2022 Issued
Array ( [id] => 19397598 [patent_doc_number] => 12071952 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => Scroll-compressor, refrigeration device, and vehicle with oil separation and oil storage [patent_app_type] => utility [patent_app_number] => 17/897359 [patent_app_country] => US [patent_app_date] => 2022-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 12187 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17897359 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/897359
Scroll-compressor, refrigeration device, and vehicle with oil separation and oil storage Aug 28, 2022 Issued
Array ( [id] => 18166374 [patent_doc_number] => 20230032977 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => ROTARY PUMP COMPRISING A SETTING STRUCTURE SPRING HAVING AN OFFSET LINE OF ACTION [patent_app_type] => utility [patent_app_number] => 17/875941 [patent_app_country] => US [patent_app_date] => 2022-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11229 [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] => 17875941 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/875941
Rotary pump comprising a setting structure spring having an offset line of action Jul 27, 2022 Issued
Array ( [id] => 17983369 [patent_doc_number] => 20220349405 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => ROTARY COMPRESSOR WITH SELECTIVE OIL COMMUNICATION [patent_app_type] => utility [patent_app_number] => 17/869254 [patent_app_country] => US [patent_app_date] => 2022-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11267 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17869254 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/869254
Rotary compressor with selective oil communication Jul 19, 2022 Issued
Array ( [id] => 19543793 [patent_doc_number] => 20240360829 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => INTERNAL GEAR MACHINE [patent_app_type] => utility [patent_app_number] => 18/579747 [patent_app_country] => US [patent_app_date] => 2022-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6305 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18579747 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/579747
Internal gear machine with helical toothing Jul 19, 2022 Issued
Array ( [id] => 17983365 [patent_doc_number] => 20220349401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => Gerotor Pump [patent_app_type] => utility [patent_app_number] => 17/865796 [patent_app_country] => US [patent_app_date] => 2022-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2443 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17865796 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/865796
Gerotor pump with pressure equalization Jul 14, 2022 Issued
Array ( [id] => 18838219 [patent_doc_number] => 11846284 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-12-19 [patent_title] => Sliding-pocket variable-displacement pump with compensation chambers [patent_app_type] => utility [patent_app_number] => 17/854063 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3728 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17854063 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/854063
Sliding-pocket variable-displacement pump with compensation chambers Jun 29, 2022 Issued
Array ( [id] => 19970227 [patent_doc_number] => 12338825 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Bearing structure, compressor, and refrigeration cycle apparatus with foreign matter separator [patent_app_type] => utility [patent_app_number] => 18/291250 [patent_app_country] => US [patent_app_date] => 2022-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 29 [patent_no_of_words] => 10315 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18291250 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/291250
Bearing structure, compressor, and refrigeration cycle apparatus with foreign matter separator Jun 15, 2022 Issued
Array ( [id] => 17897836 [patent_doc_number] => 20220307498 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/842254 [patent_app_country] => US [patent_app_date] => 2022-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5751 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17842254 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/842254
Compressor with a fitted shaft portion having two sliding surfaces and an oil retainer Jun 15, 2022 Issued
Array ( [id] => 17867830 [patent_doc_number] => 20220290566 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => VANE MOTOR [patent_app_type] => utility [patent_app_number] => 17/831652 [patent_app_country] => US [patent_app_date] => 2022-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3750 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 17831652 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/831652
VANE MOTOR Jun 2, 2022 Abandoned
Array ( [id] => 18643698 [patent_doc_number] => 11767759 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-26 [patent_title] => Pistonless rotary motor for air compressor [patent_app_type] => utility [patent_app_number] => 17/664430 [patent_app_country] => US [patent_app_date] => 2022-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1005 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17664430 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/664430
Pistonless rotary motor for air compressor May 22, 2022 Issued
Array ( [id] => 17852689 [patent_doc_number] => 20220282731 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => SCROLL COMPRESSOR WITH RECESSES AND PROTRUSIONS [patent_app_type] => utility [patent_app_number] => 17/750740 [patent_app_country] => US [patent_app_date] => 2022-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5679 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17750740 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/750740
SCROLL COMPRESSOR WITH RECESSES AND PROTRUSIONS May 22, 2022 Abandoned
Array ( [id] => 19551326 [patent_doc_number] => 12135027 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Spiral compressor with running sleeves locked axially but able to rotate [patent_app_type] => utility [patent_app_number] => 18/549758 [patent_app_country] => US [patent_app_date] => 2022-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 4655 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [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] => 18549758 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/549758
Spiral compressor with running sleeves locked axially but able to rotate May 16, 2022 Issued
Array ( [id] => 18329844 [patent_doc_number] => 11635075 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-04-25 [patent_title] => Gerotor pump with bearing [patent_app_type] => utility [patent_app_number] => 17/746044 [patent_app_country] => US [patent_app_date] => 2022-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 39 [patent_figures_cnt] => 57 [patent_no_of_words] => 18639 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17746044 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/746044
Gerotor pump with bearing May 16, 2022 Issued
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
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