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] => 12059502 [patent_doc_number] => 20170335846 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-23 [patent_title] => 'Gear Pump' [patent_app_type] => utility [patent_app_number] => 15/592341 [patent_app_country] => US [patent_app_date] => 2017-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5934 [patent_no_of_claims] => 2 [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] => 15592341 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/592341
Gear Pump May 10, 2017 Abandoned
Array ( [id] => 12002795 [patent_doc_number] => 20170306950 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-26 [patent_title] => 'ROTARY PUMP COMPRISING A LUBRICATING GROOVE IN THE SEALING STAY' [patent_app_type] => utility [patent_app_number] => 15/490104 [patent_app_country] => US [patent_app_date] => 2017-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6032 [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] => 15490104 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/490104
Rotary pump comprising a lubricating groove in the sealing stay Apr 17, 2017 Issued
Array ( [id] => 11994781 [patent_doc_number] => 20170298936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-19 [patent_title] => 'ROTARY COMPRESSOR' [patent_app_type] => utility [patent_app_number] => 15/481032 [patent_app_country] => US [patent_app_date] => 2017-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6113 [patent_no_of_claims] => 3 [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] => 15481032 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/481032
Rotary compressor Apr 5, 2017 Issued
Array ( [id] => 16493054 [patent_doc_number] => 10859083 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-08 [patent_title] => Scroll compressor [patent_app_type] => utility [patent_app_number] => 16/085820 [patent_app_country] => US [patent_app_date] => 2017-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 11400 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16085820 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/085820
Scroll compressor Mar 27, 2017 Issued
Array ( [id] => 11964356 [patent_doc_number] => 20170268509 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-21 [patent_title] => 'Vane Pump Assembly' [patent_app_type] => utility [patent_app_number] => 15/465096 [patent_app_country] => US [patent_app_date] => 2017-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3381 [patent_no_of_claims] => 15 [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] => 15465096 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/465096
Vane Pump Assembly Mar 20, 2017 Abandoned
Array ( [id] => 15916473 [patent_doc_number] => 10655469 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-19 [patent_title] => Vane having surfaces with different material properties in a rotary pump [patent_app_type] => utility [patent_app_number] => 15/463216 [patent_app_country] => US [patent_app_date] => 2017-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 6837 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15463216 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/463216
Vane having surfaces with different material properties in a rotary pump Mar 19, 2017 Issued
Array ( [id] => 14536185 [patent_doc_number] => 20190203714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => ROTARY CYLINDER TYPE COMPRESSOR [patent_app_type] => utility [patent_app_number] => 16/084062 [patent_app_country] => US [patent_app_date] => 2017-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18875 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16084062 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/084062
ROTARY CYLINDER TYPE COMPRESSOR Mar 9, 2017 Abandoned
Array ( [id] => 11956830 [patent_doc_number] => 20170260981 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-14 [patent_title] => 'SEGMENTED ROTOR FORM FOR SUPERCHARGERS AND EXPANDERS' [patent_app_type] => utility [patent_app_number] => 15/454614 [patent_app_country] => US [patent_app_date] => 2017-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3618 [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] => 15454614 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/454614
SEGMENTED ROTOR FORM FOR SUPERCHARGERS AND EXPANDERS Mar 8, 2017 Abandoned
Array ( [id] => 12002802 [patent_doc_number] => 20170306957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-26 [patent_title] => 'SCROLL COMPRESSOR' [patent_app_type] => utility [patent_app_number] => 15/451803 [patent_app_country] => US [patent_app_date] => 2017-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 10068 [patent_no_of_claims] => 22 [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] => 15451803 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/451803
Scroll compressor frame and orbiting scroll and sealing thereof Mar 6, 2017 Issued
Array ( [id] => 13988551 [patent_doc_number] => 20190063433 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-28 [patent_title] => SCROLL PUMP TIP SEALING [patent_app_type] => utility [patent_app_number] => 16/079925 [patent_app_country] => US [patent_app_date] => 2017-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5174 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -34 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16079925 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/079925
SCROLL PUMP TIP SEALING Feb 21, 2017 Abandoned
Array ( [id] => 16261934 [patent_doc_number] => 10753360 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-25 [patent_title] => Scroll compression device having a sealing device, and scroll compressor including such a scroll compression device [patent_app_type] => utility [patent_app_number] => 16/071155 [patent_app_country] => US [patent_app_date] => 2017-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 5715 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16071155 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/071155
Scroll compression device having a sealing device, and scroll compressor including such a scroll compression device Feb 14, 2017 Issued
Array ( [id] => 16778839 [patent_doc_number] => 20210115917 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => SCROLL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 16/496015 [patent_app_country] => US [patent_app_date] => 2017-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6350 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16496015 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/496015
SCROLL COMPRESSOR Feb 12, 2017 Abandoned
Array ( [id] => 15118621 [patent_doc_number] => 20190345943 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-14 [patent_title] => VANE GAS PUMP [patent_app_type] => utility [patent_app_number] => 16/481489 [patent_app_country] => US [patent_app_date] => 2017-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2654 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 16481489 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/481489
Vane gas pump with sliding element trmporaily completely covering the elongated fluid outlet opening Jan 31, 2017 Issued
Array ( [id] => 13930713 [patent_doc_number] => 20190048872 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-14 [patent_title] => PISTON FOR A ROTARY PISTON PUMP [patent_app_type] => utility [patent_app_number] => 16/073520 [patent_app_country] => US [patent_app_date] => 2017-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8517 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 16073520 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/073520
Rotary piston pump with a piston formed by a plurality of plates filled with polymer material Jan 26, 2017 Issued
Array ( [id] => 12929302 [patent_doc_number] => 09828908 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-11-28 [patent_title] => Device for internal cooling and pressurization of rotary engine [patent_app_type] => utility [patent_app_number] => 15/415527 [patent_app_country] => US [patent_app_date] => 2017-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4735 [patent_no_of_claims] => 7 [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] => 15415527 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/415527
Device for internal cooling and pressurization of rotary engine Jan 24, 2017 Issued
Array ( [id] => 16407447 [patent_doc_number] => 10815993 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-27 [patent_title] => Scroll fluid machine with improved power transmission mechanism [patent_app_type] => utility [patent_app_number] => 16/088628 [patent_app_country] => US [patent_app_date] => 2017-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 5958 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16088628 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/088628
Scroll fluid machine with improved power transmission mechanism Jan 24, 2017 Issued
Array ( [id] => 13959197 [patent_doc_number] => 20190055942 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-21 [patent_title] => PUMPING ASSEMBLY TO FEED FUEL, PREFERABLY DIESEL FUEL, TO AN INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/080091 [patent_app_country] => US [patent_app_date] => 2017-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2042 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16080091 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/080091
PUMPING ASSEMBLY TO FEED FUEL, PREFERABLY DIESEL FUEL, TO AN INTERNAL COMBUSTION ENGINE Jan 4, 2017 Abandoned
Array ( [id] => 17015672 [patent_doc_number] => 11085299 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-10 [patent_title] => Hydraulic machine with chamfered ring [patent_app_type] => utility [patent_app_number] => 16/063822 [patent_app_country] => US [patent_app_date] => 2016-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 4983 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16063822 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/063822
Hydraulic machine with chamfered ring Dec 15, 2016 Issued
Array ( [id] => 11707240 [patent_doc_number] => 20170175739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-22 [patent_title] => 'VANE PUMP DEVICE' [patent_app_type] => utility [patent_app_number] => 15/375938 [patent_app_country] => US [patent_app_date] => 2016-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 20916 [patent_no_of_claims] => 6 [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] => 15375938 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/375938
Vane pump device having two different discharge amounts Dec 11, 2016 Issued
Array ( [id] => 11707239 [patent_doc_number] => 20170175738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-22 [patent_title] => 'VANE PUMP DEVICE' [patent_app_type] => utility [patent_app_number] => 15/374476 [patent_app_country] => US [patent_app_date] => 2016-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 20843 [patent_no_of_claims] => 5 [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] => 15374476 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/374476
Vane pump device having multiple discharge pressures Dec 8, 2016 Issued
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