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] => 20337143 [patent_doc_number] => 20250341263 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => ELECTRO-MAGNETIC THROTTLE VALVE WITH INTEGRATED BLOWDOWN CONDUIT [patent_app_type] => utility [patent_app_number] => 19/265258 [patent_app_country] => US [patent_app_date] => 2025-07-10 [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] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19265258 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/265258
ELECTRO-MAGNETIC THROTTLE VALVE WITH INTEGRATED BLOWDOWN CONDUIT Jul 9, 2025 Pending
Array ( [id] => 20220536 [patent_doc_number] => 20250283467 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => SCROLL MACHINE AND REFRIGERATION SYSTEM [patent_app_type] => utility [patent_app_number] => 19/215697 [patent_app_country] => US [patent_app_date] => 2025-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3390 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 380 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19215697 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/215697
SCROLL MACHINE AND REFRIGERATION SYSTEM May 21, 2025 Pending
Array ( [id] => 20180065 [patent_doc_number] => 20250264023 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 19/203922 [patent_app_country] => US [patent_app_date] => 2025-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1235 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19203922 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/203922
INTERNAL COMBUSTION ENGINE May 8, 2025 Pending
Array ( [id] => 20337092 [patent_doc_number] => 20250341212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => MOTOR AND PUMP SYSTEM WITH FLUID LEVEL CONTROL PLATE [patent_app_type] => utility [patent_app_number] => 19/195016 [patent_app_country] => US [patent_app_date] => 2025-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3648 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 19195016 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/195016
MOTOR AND PUMP SYSTEM WITH FLUID LEVEL CONTROL PLATE Apr 29, 2025 Pending
Array ( [id] => 20136817 [patent_doc_number] => 20250243861 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => SCROLL COMPRESSOR HAVING OVERHEATING PREVENTION DEVICE [patent_app_type] => utility [patent_app_number] => 19/180498 [patent_app_country] => US [patent_app_date] => 2025-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2326 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19180498 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/180498
SCROLL COMPRESSOR HAVING OVERHEATING PREVENTION DEVICE Apr 15, 2025 Pending
Array ( [id] => 20094029 [patent_doc_number] => 20250223965 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => SCROLL COMPRESSOR AND REFRIGERATION APPARATUS INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 19/089721 [patent_app_country] => US [patent_app_date] => 2025-03-25 [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] => -18 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19089721 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/089721
SCROLL COMPRESSOR AND REFRIGERATION APPARATUS INCLUDING THE SAME Mar 24, 2025 Pending
Array ( [id] => 20248737 [patent_doc_number] => 20250297606 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-25 [patent_title] => ELECTRICAL MACHINE [patent_app_type] => utility [patent_app_number] => 19/087427 [patent_app_country] => US [patent_app_date] => 2025-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2227 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19087427 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/087427
ELECTRICAL MACHINE Mar 20, 2025 Pending
19/114317 Turbine Arrangement for Turbo Device, Turbo Device, Internal Combustion Engine, and Vehicle Mar 20, 2025 Pending
Array ( [id] => 20322032 [patent_doc_number] => 20250334120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => COMPRESSOR [patent_app_type] => utility [patent_app_number] => 19/062353 [patent_app_country] => US [patent_app_date] => 2025-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14880 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19062353 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/062353
COMPRESSOR Feb 24, 2025 Pending
Array ( [id] => 20506347 [patent_doc_number] => 12540619 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => Multifunctional vacuum pump [patent_app_type] => utility [patent_app_number] => 19/056805 [patent_app_country] => US [patent_app_date] => 2025-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 2322 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 990 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19056805 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/056805
Multifunctional vacuum pump Feb 18, 2025 Issued
Array ( [id] => 20008267 [patent_doc_number] => 20250146489 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => ROTARY PISTON COMPRESSOR/PUMP/BLOWER WITH A VENTILATION CHANNEL [patent_app_type] => utility [patent_app_number] => 19/013773 [patent_app_country] => US [patent_app_date] => 2025-01-08 [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] => -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] => 19013773 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/013773
Rotary piston compressor/pump/blower with a ventilation channel Jan 7, 2025 Issued
Array ( [id] => 20033821 [patent_doc_number] => 20250172043 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => PARTICLE ADJUSTING DRILLING ASSEMBLY AND METHOD [patent_app_type] => utility [patent_app_number] => 19/009615 [patent_app_country] => US [patent_app_date] => 2025-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1145 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19009615 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/009615
PARTICLE ADJUSTING DRILLING ASSEMBLY AND METHOD Jan 2, 2025 Pending
Array ( [id] => 19984654 [patent_doc_number] => 20250122876 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => COMPRESSOR AND REFRIGERATION CYCLE DEVICE [patent_app_type] => utility [patent_app_number] => 18/990756 [patent_app_country] => US [patent_app_date] => 2024-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14518 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18990756 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/990756
COMPRESSOR AND REFRIGERATION CYCLE DEVICE Dec 19, 2024 Pending
Array ( [id] => 20060186 [patent_doc_number] => 20250198408 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => Compressor installation having cooling, and method for operating a compressor installation [patent_app_type] => utility [patent_app_number] => 18/980688 [patent_app_country] => US [patent_app_date] => 2024-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17536 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18980688 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/980688
Compressor installation having cooling, and method for operating a compressor installation Dec 12, 2024 Pending
Array ( [id] => 20151141 [patent_doc_number] => 20250250979 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => POSITIVE DISPLACEMENT PUMP SYSTEM [patent_app_type] => utility [patent_app_number] => 18/967800 [patent_app_country] => US [patent_app_date] => 2024-12-04 [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] => -14 [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] => 18967800 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/967800
POSITIVE DISPLACEMENT PUMP SYSTEM Dec 3, 2024 Pending
Array ( [id] => 20041780 [patent_doc_number] => 20250180002 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => Piston rod mechanism for air compressor and air compressor [patent_app_type] => utility [patent_app_number] => 18/964071 [patent_app_country] => US [patent_app_date] => 2024-11-29 [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] => -9 [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] => 18964071 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/964071
Piston rod mechanism for air compressor and air compressor Nov 28, 2024 Abandoned
Array ( [id] => 20041793 [patent_doc_number] => 20250180015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => PUMP WITH PRESSURE DISC [patent_app_type] => utility [patent_app_number] => 18/963297 [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] => 1265 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18963297 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/963297
PUMP WITH PRESSURE DISC Nov 26, 2024 Pending
Array ( [id] => 20008273 [patent_doc_number] => 20250146495 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => Flexible Pump Assembly for Use in a Fan Drive [patent_app_type] => utility [patent_app_number] => 18/936008 [patent_app_country] => US [patent_app_date] => 2024-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1154 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18936008 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/936008
Flexible pump assembly for use in a fan drive Nov 3, 2024 Issued
Array ( [id] => 20233100 [patent_doc_number] => 20250290419 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => ROTATIONAL ENGINE [patent_app_type] => utility [patent_app_number] => 18/928999 [patent_app_country] => US [patent_app_date] => 2024-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10260 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18928999 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/928999
ROTATIONAL ENGINE Oct 27, 2024 Pending
Array ( [id] => 19863281 [patent_doc_number] => 20250102067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => METHODS AND SYSTEMS FOR SEALING ROTATING EQUIPMENT SUCH AS EXPANDERS OR COMPRESSORS [patent_app_type] => utility [patent_app_number] => 18/923427 [patent_app_country] => US [patent_app_date] => 2024-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20872 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18923427 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/923427
METHODS AND SYSTEMS FOR SEALING ROTATING EQUIPMENT SUCH AS EXPANDERS OR COMPRESSORS Oct 21, 2024 Pending
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