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] => 19601900 [patent_doc_number] => 20240392780 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => VARIABLE DISPLACEMENT PUMP SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/201039 [patent_app_country] => US [patent_app_date] => 2023-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3819 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18201039 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/201039
VARIABLE DISPLACEMENT PUMP SYSTEMS May 22, 2023 Pending
Array ( [id] => 19412359 [patent_doc_number] => 12078169 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Complex screw rotors having multiple helical profiles joined by a centeral portion with a pocket [patent_app_type] => utility [patent_app_number] => 18/312057 [patent_app_country] => US [patent_app_date] => 2023-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 56 [patent_no_of_words] => 12815 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18312057 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/312057
Complex screw rotors having multiple helical profiles joined by a centeral portion with a pocket May 3, 2023 Issued
Array ( [id] => 19412359 [patent_doc_number] => 12078169 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Complex screw rotors having multiple helical profiles joined by a centeral portion with a pocket [patent_app_type] => utility [patent_app_number] => 18/312057 [patent_app_country] => US [patent_app_date] => 2023-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 56 [patent_no_of_words] => 12815 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18312057 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/312057
Complex screw rotors having multiple helical profiles joined by a centeral portion with a pocket May 3, 2023 Issued
Array ( [id] => 19412359 [patent_doc_number] => 12078169 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Complex screw rotors having multiple helical profiles joined by a centeral portion with a pocket [patent_app_type] => utility [patent_app_number] => 18/312057 [patent_app_country] => US [patent_app_date] => 2023-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 56 [patent_no_of_words] => 12815 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18312057 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/312057
Complex screw rotors having multiple helical profiles joined by a centeral portion with a pocket May 3, 2023 Issued
Array ( [id] => 19412359 [patent_doc_number] => 12078169 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Complex screw rotors having multiple helical profiles joined by a centeral portion with a pocket [patent_app_type] => utility [patent_app_number] => 18/312057 [patent_app_country] => US [patent_app_date] => 2023-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 56 [patent_no_of_words] => 12815 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18312057 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/312057
Complex screw rotors having multiple helical profiles joined by a centeral portion with a pocket May 3, 2023 Issued
Array ( [id] => 18552823 [patent_doc_number] => 20230250834 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => INTEGRATED WATER-COOLING PUMP [patent_app_type] => utility [patent_app_number] => 18/301941 [patent_app_country] => US [patent_app_date] => 2023-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2353 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18301941 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/301941
Integrated water-cooling pump Apr 16, 2023 Issued
Array ( [id] => 19786292 [patent_doc_number] => 20250059971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => GEROTOR PUMP [patent_app_type] => utility [patent_app_number] => 18/721500 [patent_app_country] => US [patent_app_date] => 2023-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1446 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 18721500 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/721500
GEROTOR PUMP Apr 16, 2023 Abandoned
Array ( [id] => 19498168 [patent_doc_number] => 20240337186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => ROTOR ASSEMBLY WITH COOLING CHANNELS SEPARATED BY RIBS FOR A ROTARY ENGINE [patent_app_type] => utility [patent_app_number] => 18/132167 [patent_app_country] => US [patent_app_date] => 2023-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5612 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18132167 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/132167
Rotor assembly with cooling channels separated by ribs for a rotary engine Apr 6, 2023 Issued
Array ( [id] => 19197000 [patent_doc_number] => 11994232 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-28 [patent_title] => Electro-magnetic throttle valve with integrated blowdown conduit [patent_app_type] => utility [patent_app_number] => 18/130119 [patent_app_country] => US [patent_app_date] => 2023-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3788 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18130119 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/130119
Electro-magnetic throttle valve with integrated blowdown conduit Apr 2, 2023 Issued
Array ( [id] => 20060087 [patent_doc_number] => 20250198309 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => FLUID PUMP FOR AN AIRCRAFT TURBOMACHINE, LUBRICATION CIRCUIT AND AIRCRAFT TURBOMACHINE [patent_app_type] => utility [patent_app_number] => 18/852036 [patent_app_country] => US [patent_app_date] => 2023-03-29 [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] => -8 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18852036 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/852036
FLUID PUMP FOR AN AIRCRAFT TURBOMACHINE, LUBRICATION CIRCUIT AND AIRCRAFT TURBOMACHINE Mar 28, 2023 Pending
Array ( [id] => 19464942 [patent_doc_number] => 20240318611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => ROTARY ENGINE WITH SEAL HAVING ELASTOMERIC MEMBER AND SHIELD [patent_app_type] => utility [patent_app_number] => 18/189360 [patent_app_country] => US [patent_app_date] => 2023-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5457 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18189360 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/189360
Rotary engine with seal having elastomeric member and shield Mar 23, 2023 Issued
Array ( [id] => 18629006 [patent_doc_number] => 20230287886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => SCROLL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/123712 [patent_app_country] => US [patent_app_date] => 2023-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11387 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18123712 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/123712
Scroll compressor with oil supply groove Mar 19, 2023 Issued
Array ( [id] => 19339646 [patent_doc_number] => 12049827 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-30 [patent_title] => Vane wearing detection [patent_app_type] => utility [patent_app_number] => 18/185529 [patent_app_country] => US [patent_app_date] => 2023-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 13 [patent_no_of_words] => 3594 [patent_no_of_claims] => 9 [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] => 18185529 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/185529
Vane wearing detection Mar 16, 2023 Issued
Array ( [id] => 19847521 [patent_doc_number] => 20250092872 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => OIL PUMP FOR A MOTOR VEHICLE [patent_app_type] => utility [patent_app_number] => 18/846732 [patent_app_country] => US [patent_app_date] => 2023-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3213 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18846732 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/846732
Oil pump for a motor vehicle Mar 12, 2023 Issued
Array ( [id] => 20555989 [patent_doc_number] => 20260055769 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-26 [patent_title] => SCROLL-TYPE FLUID MACHINE [patent_app_type] => utility [patent_app_number] => 19/103056 [patent_app_country] => US [patent_app_date] => 2023-03-09 [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] => -3 [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] => 19103056 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/103056
SCROLL-TYPE FLUID MACHINE Mar 8, 2023 Pending
Array ( [id] => 19027839 [patent_doc_number] => 11927188 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-12 [patent_title] => Gerotor and pump apparatus having a gerotor device [patent_app_type] => utility [patent_app_number] => 18/119262 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 5092 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18119262 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/119262
Gerotor and pump apparatus having a gerotor device Mar 7, 2023 Issued
Array ( [id] => 19142935 [patent_doc_number] => 20240141789 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => ROTATIONAL ENGINE WITH INNER AND OUTER RINGS [patent_app_type] => utility [patent_app_number] => 18/178331 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11916 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18178331 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/178331
Rotational engine with inner and outer rings Mar 2, 2023 Issued
Array ( [id] => 20272600 [patent_doc_number] => 12442374 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Screw compressor with improved suction flow [patent_app_type] => utility [patent_app_number] => 18/843632 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 8309 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 659 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18843632 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/843632
Screw compressor with improved suction flow Mar 2, 2023 Issued
Array ( [id] => 18485695 [patent_doc_number] => 20230213033 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => SCROLL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/114550 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9477 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18114550 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/114550
Scroll compressor with a pressure relief low-speed rotation structure Feb 26, 2023 Issued
Array ( [id] => 18469749 [patent_doc_number] => 20230204033 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => SCROLL STRUCTURE AND COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/113920 [patent_app_country] => US [patent_app_date] => 2023-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8428 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18113920 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/113920
Scroll structure and compressor with back pressure plate and floating plate Feb 23, 2023 Issued
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