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] => 12887500 [patent_doc_number] => 20180187675 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-05 [patent_title] => MODULAR THRUST-COMPENSATING ROTOR ASSEMBLY [patent_app_type] => utility [patent_app_number] => 15/740492 [patent_app_country] => US [patent_app_date] => 2016-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5486 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15740492 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/740492
Modular thrust-compensating rotor assembly May 10, 2016 Issued
Array ( [id] => 12547803 [patent_doc_number] => 10012142 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-03 [patent_title] => Rotary engine with explosion chamber pockets in the cylinder and power wheel [patent_app_type] => utility [patent_app_number] => 15/147058 [patent_app_country] => US [patent_app_date] => 2016-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4960 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15147058 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/147058
Rotary engine with explosion chamber pockets in the cylinder and power wheel May 4, 2016 Issued
Array ( [id] => 15384761 [patent_doc_number] => 10533554 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-14 [patent_title] => Cylinder-rotation compressor with improved vane and suction passage locations [patent_app_type] => utility [patent_app_number] => 15/547251 [patent_app_country] => US [patent_app_date] => 2016-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9185 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15547251 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/547251
Cylinder-rotation compressor with improved vane and suction passage locations Apr 25, 2016 Issued
Array ( [id] => 11101567 [patent_doc_number] => 20160298536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-13 [patent_title] => 'SINGLE CHAMBER MULTIPLE INDEPENDENT CONTOUR ROTARY MACHINE' [patent_app_type] => utility [patent_app_number] => 15/097928 [patent_app_country] => US [patent_app_date] => 2016-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 33 [patent_no_of_words] => 8302 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15097928 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/097928
Single chamber multiple independent contour rotary machine Apr 12, 2016 Issued
Array ( [id] => 16199369 [patent_doc_number] => 10724522 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-28 [patent_title] => Screw compressor, compressor element and gearbox applied thereby [patent_app_type] => utility [patent_app_number] => 15/566135 [patent_app_country] => US [patent_app_date] => 2016-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3531 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15566135 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/566135
Screw compressor, compressor element and gearbox applied thereby Apr 11, 2016 Issued
Array ( [id] => 15851651 [patent_doc_number] => 10641094 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-05 [patent_title] => Pressure differential engine [patent_app_type] => utility [patent_app_number] => 15/565321 [patent_app_country] => US [patent_app_date] => 2016-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 64 [patent_no_of_words] => 17917 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15565321 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/565321
Pressure differential engine Apr 7, 2016 Issued
Array ( [id] => 15817947 [patent_doc_number] => 10634144 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-28 [patent_title] => Inlets for rotary vane vacuum pump [patent_app_type] => utility [patent_app_number] => 16/089178 [patent_app_country] => US [patent_app_date] => 2016-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2278 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [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] => 16089178 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/089178
Inlets for rotary vane vacuum pump Mar 31, 2016 Issued
Array ( [id] => 15728233 [patent_doc_number] => 10612543 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-07 [patent_title] => Geared positive-displacement machine with integral rolling tracks for the rolling bodies [patent_app_type] => utility [patent_app_number] => 15/563492 [patent_app_country] => US [patent_app_date] => 2016-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4788 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 288 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15563492 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/563492
Geared positive-displacement machine with integral rolling tracks for the rolling bodies Mar 30, 2016 Issued
Array ( [id] => 11093253 [patent_doc_number] => 20160290221 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-06 [patent_title] => 'DOUBLE BAR SINGLE WHEEL ROTARY COMBUSTION ENGINE AND THE COMPONENTS THEREOF' [patent_app_type] => utility [patent_app_number] => 15/083189 [patent_app_country] => US [patent_app_date] => 2016-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4881 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15083189 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/083189
Double bar single wheel rotary combustion engine and the components thereof Mar 27, 2016 Issued
Array ( [id] => 11971988 [patent_doc_number] => 20170276142 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-28 [patent_title] => 'Clearance reducing system, appratus and method' [patent_app_type] => utility [patent_app_number] => 14/999061 [patent_app_country] => US [patent_app_date] => 2016-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3757 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14999061 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/999061
Clearance reducing system, appratus and method Mar 23, 2016 Abandoned
Array ( [id] => 14172693 [patent_doc_number] => 10260346 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-16 [patent_title] => Circulating piston engine having a rotary valve assembly [patent_app_type] => utility [patent_app_number] => 15/079722 [patent_app_country] => US [patent_app_date] => 2016-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 19 [patent_no_of_words] => 8530 [patent_no_of_claims] => 20 [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] => 15079722 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/079722
Circulating piston engine having a rotary valve assembly Mar 23, 2016 Issued
Array ( [id] => 11061423 [patent_doc_number] => 20160258386 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-09-08 [patent_title] => 'ENGINE AND THRUST REVERSER ACTUATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/066606 [patent_app_country] => US [patent_app_date] => 2016-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2621 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15066606 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/066606
Engine and thrust reverser actuation system Mar 9, 2016 Issued
Array ( [id] => 15851995 [patent_doc_number] => 10641269 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-05 [patent_title] => Lubrication of scroll compressor [patent_app_type] => utility [patent_app_number] => 15/569350 [patent_app_country] => US [patent_app_date] => 2016-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 7167 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15569350 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/569350
Lubrication of scroll compressor Feb 28, 2016 Issued
Array ( [id] => 11691653 [patent_doc_number] => 20170167368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-15 [patent_title] => 'Rotary Engine Rotor' [patent_app_type] => utility [patent_app_number] => 15/323168 [patent_app_country] => US [patent_app_date] => 2016-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4191 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15323168 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/323168
Rotary Engine Rotor Feb 9, 2016 Abandoned
Array ( [id] => 13108039 [patent_doc_number] => 10072657 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-09-11 [patent_title] => Screw compressor with an hydropneumatic cylinder integral with the bearing holder [patent_app_type] => utility [patent_app_number] => 15/548727 [patent_app_country] => US [patent_app_date] => 2016-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 8639 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15548727 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/548727
Screw compressor with an hydropneumatic cylinder integral with the bearing holder Feb 8, 2016 Issued
Array ( [id] => 12127018 [patent_doc_number] => 20180010604 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-11 [patent_title] => 'Eccentric Screw Pump And Method For Adapting The Operating State Of An Eccentric Screw Pump' [patent_app_type] => utility [patent_app_number] => 15/547419 [patent_app_country] => US [patent_app_date] => 2016-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6260 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15547419 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/547419
Eccentric Screw Pump And Method For Adapting The Operating State Of An Eccentric Screw Pump Jan 28, 2016 Abandoned
Array ( [id] => 16269628 [patent_doc_number] => 20200271115 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => SCROLL COMPRESSOR AND REFRIGERATION CYCLE APPARATUS [patent_app_type] => utility [patent_app_number] => 15/779589 [patent_app_country] => US [patent_app_date] => 2016-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13908 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 15779589 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/779589
Scroll compressor and refrigeration cycle apparatus including injection port opening into suction chamber Jan 21, 2016 Issued
Array ( [id] => 12127021 [patent_doc_number] => 20180010607 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-11 [patent_title] => 'FUEL PUMP AND MANUFACTURING METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 15/544345 [patent_app_country] => US [patent_app_date] => 2016-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6373 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15544345 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/544345
Fuel pump and manufacturing method thereof Jan 14, 2016 Issued
Array ( [id] => 13888943 [patent_doc_number] => 10197018 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-05 [patent_title] => Exhaust gas recirculation and control with twin scroll turbines [patent_app_type] => utility [patent_app_number] => 14/993410 [patent_app_country] => US [patent_app_date] => 2016-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 7211 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14993410 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/993410
Exhaust gas recirculation and control with twin scroll turbines Jan 11, 2016 Issued
Array ( [id] => 15979397 [patent_doc_number] => 10670014 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-02 [patent_title] => Oil-injected vacuum pump element [patent_app_type] => utility [patent_app_number] => 15/542326 [patent_app_country] => US [patent_app_date] => 2016-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3416 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15542326 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/542326
Oil-injected vacuum pump element Jan 6, 2016 Issued
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