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] => 17082774 [patent_doc_number] => 20210277780 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => Arc Turbine [patent_app_type] => utility [patent_app_number] => 17/221799 [patent_app_country] => US [patent_app_date] => 2021-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3417 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17221799 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/221799
Arc turbine Apr 3, 2021 Issued
Array ( [id] => 18319775 [patent_doc_number] => 20230117903 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => ROTARY COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/910261 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17910261 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/910261
Rotary compressor with an oil groove facing the vane and exposed to a gap between the vane and the piston Mar 29, 2021 Issued
Array ( [id] => 18980790 [patent_doc_number] => 11905952 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Scroll machine with passage in spiral, method, vehicle air conditioning system, and vehicle [patent_app_type] => utility [patent_app_number] => 17/995462 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 6153 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17995462 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/995462
Scroll machine with passage in spiral, method, vehicle air conditioning system, and vehicle Mar 29, 2021 Issued
Array ( [id] => 18319775 [patent_doc_number] => 20230117903 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => ROTARY COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/910261 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17910261 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/910261
Rotary compressor with an oil groove facing the vane and exposed to a gap between the vane and the piston Mar 29, 2021 Issued
Array ( [id] => 18319775 [patent_doc_number] => 20230117903 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => ROTARY COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/910261 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17910261 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/910261
Rotary compressor with an oil groove facing the vane and exposed to a gap between the vane and the piston Mar 29, 2021 Issued
Array ( [id] => 18319775 [patent_doc_number] => 20230117903 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => ROTARY COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/910261 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17910261 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/910261
Rotary compressor with an oil groove facing the vane and exposed to a gap between the vane and the piston Mar 29, 2021 Issued
Array ( [id] => 18980794 [patent_doc_number] => 11905956 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Internal gear machine with switching valves [patent_app_type] => utility [patent_app_number] => 17/996031 [patent_app_country] => US [patent_app_date] => 2021-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2596 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17996031 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/996031
Internal gear machine with switching valves Mar 17, 2021 Issued
Array ( [id] => 17097649 [patent_doc_number] => 20210285440 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => Fixed-Eccentricity Helical Trochoidal Rotary Machines [patent_app_type] => utility [patent_app_number] => 17/197040 [patent_app_country] => US [patent_app_date] => 2021-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19557 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17197040 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/197040
Fixed-eccentricity helical trochoidal rotary machines Mar 9, 2021 Issued
Array ( [id] => 18261130 [patent_doc_number] => 11608827 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-21 [patent_title] => Helical trochoidal rotary machines with offset [patent_app_type] => utility [patent_app_number] => 17/198124 [patent_app_country] => US [patent_app_date] => 2021-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 54 [patent_no_of_words] => 12938 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [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] => 17198124 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/198124
Helical trochoidal rotary machines with offset Mar 9, 2021 Issued
Array ( [id] => 18324695 [patent_doc_number] => 20230122823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => A LUBRICANT RECOVERY SYSTEM [patent_app_type] => utility [patent_app_number] => 17/906001 [patent_app_country] => US [patent_app_date] => 2021-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3121 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17906001 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/906001
Vacuum pump lubricant recovery system returning lubricant from the air filter based on pressure measurements in the vacuum pump Mar 9, 2021 Issued
Array ( [id] => 18244428 [patent_doc_number] => 20230076739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => MULTIPLE STAGE VACUUM PUMP [patent_app_type] => utility [patent_app_number] => 17/760408 [patent_app_country] => US [patent_app_date] => 2021-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4260 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17760408 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/760408
Multiple stage vacuum pump Feb 9, 2021 Issued
Array ( [id] => 18198963 [patent_doc_number] => 20230052482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => GEAR WHEEL AND COMPRESSOR DEVICE EQUIPPED WITH SUCH GEAR WHEEL [patent_app_type] => utility [patent_app_number] => 17/797271 [patent_app_country] => US [patent_app_date] => 2021-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4442 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [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] => 17797271 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/797271
Gear wheel and compressor device equipped with such gear wheel Feb 3, 2021 Issued
Array ( [id] => 16978457 [patent_doc_number] => 20210222694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => Friction-Optimized Vacuum Orbiter Pump [patent_app_type] => utility [patent_app_number] => 17/153687 [patent_app_country] => US [patent_app_date] => 2021-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4673 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17153687 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/153687
Friction-Optimized Vacuum Orbiter Pump Jan 19, 2021 Abandoned
Array ( [id] => 19242537 [patent_doc_number] => 12012961 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Volume ratio for a R718* compressor [patent_app_type] => utility [patent_app_number] => 17/794062 [patent_app_country] => US [patent_app_date] => 2021-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3809 [patent_no_of_claims] => 11 [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] => 17794062 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/794062
Volume ratio for a R718* compressor Jan 19, 2021 Issued
Array ( [id] => 18265240 [patent_doc_number] => 20230086482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => LUBRICANT SYSTEM FOR A COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/787004 [patent_app_country] => US [patent_app_date] => 2020-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9169 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17787004 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/787004
Lubricant system for a compressor Dec 15, 2020 Issued
Array ( [id] => 19242536 [patent_doc_number] => 12012960 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Compressor device and device equipped with a bearing damper [patent_app_type] => utility [patent_app_number] => 17/765911 [patent_app_country] => US [patent_app_date] => 2020-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3633 [patent_no_of_claims] => 14 [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] => 17765911 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/765911
Compressor device and device equipped with a bearing damper Dec 14, 2020 Issued
Array ( [id] => 19505589 [patent_doc_number] => 12117003 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Flexible crescent for low pressure fuel pump [patent_app_type] => utility [patent_app_number] => 17/785865 [patent_app_country] => US [patent_app_date] => 2020-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3274 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17785865 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/785865
Flexible crescent for low pressure fuel pump Dec 13, 2020 Issued
17/116170 APPARATUS AND METHOD FOR ACTIVE VEHICLE SUSPENSION Dec 8, 2020
Array ( [id] => 17816085 [patent_doc_number] => 11421688 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-23 [patent_title] => Vane compressor with elastic member protruding into the cylinder [patent_app_type] => utility [patent_app_number] => 17/113230 [patent_app_country] => US [patent_app_date] => 2020-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7904 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17113230 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/113230
Vane compressor with elastic member protruding into the cylinder Dec 6, 2020 Issued
Array ( [id] => 18058840 [patent_doc_number] => 20220389926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => ECCENTRIC SCREW PUMP [patent_app_type] => utility [patent_app_number] => 17/778262 [patent_app_country] => US [patent_app_date] => 2020-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4229 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17778262 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/778262
Eccentric screw pump with a pressure chamber between an elastomeric stator portion and a casing Nov 18, 2020 Issued
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