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] => 6236930 [patent_doc_number] => 20100132355 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-03 [patent_title] => 'Internal Combustion Engine' [patent_app_type] => utility [patent_app_number] => 12/688888 [patent_app_country] => US [patent_app_date] => 2010-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3357 [patent_no_of_claims] => 7 [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] => publications/A1/0132/20100132355.pdf [firstpage_image] =>[orig_patent_app_number] => 12688888 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/688888
Internal Combustion Engine Jan 16, 2010 Abandoned
Array ( [id] => 8014031 [patent_doc_number] => 08136512 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-03-20 [patent_title] => 'Method for operating an engine with a pressure-wave supercharger' [patent_app_type] => utility [patent_app_number] => 12/657117 [patent_app_country] => US [patent_app_date] => 2010-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4761 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/136/08136512.pdf [firstpage_image] =>[orig_patent_app_number] => 12657117 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/657117
Method for operating an engine with a pressure-wave supercharger Jan 12, 2010 Issued
Array ( [id] => 9624327 [patent_doc_number] => 08793995 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-05 [patent_title] => 'Systems for recovering the unused energy of exhaust gas of an internal combustion engine and corresponding methods' [patent_app_type] => utility [patent_app_number] => 12/686107 [patent_app_country] => US [patent_app_date] => 2010-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4834 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12686107 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/686107
Systems for recovering the unused energy of exhaust gas of an internal combustion engine and corresponding methods Jan 11, 2010 Issued
Array ( [id] => 5968566 [patent_doc_number] => 20110150685 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-23 [patent_title] => 'Stator to Housing Lock in a Progressing Cavity Pump' [patent_app_type] => utility [patent_app_number] => 12/643730 [patent_app_country] => US [patent_app_date] => 2009-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2608 [patent_no_of_claims] => 34 [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] => publications/A1/0150/20110150685.pdf [firstpage_image] =>[orig_patent_app_number] => 12643730 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/643730
Stator to housing lock in a progressing cavity pump Dec 20, 2009 Issued
Array ( [id] => 6578903 [patent_doc_number] => 20100290940 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-18 [patent_title] => 'RADIAL AXIS, SPHERICAL BASED ROTARY MACHINES' [patent_app_type] => utility [patent_app_number] => 12/634357 [patent_app_country] => US [patent_app_date] => 2009-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 39 [patent_figures_cnt] => 39 [patent_no_of_words] => 8738 [patent_no_of_claims] => 14 [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] => publications/A1/0290/20100290940.pdf [firstpage_image] =>[orig_patent_app_number] => 12634357 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/634357
Radial axis, spherical based rotary machines Dec 8, 2009 Issued
Array ( [id] => 6429093 [patent_doc_number] => 20100143175 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-10 [patent_title] => 'INTERNAL GEAR PUMP WITH OPTIMIZED NOISE BEHAVIOUR' [patent_app_type] => utility [patent_app_number] => 12/630029 [patent_app_country] => US [patent_app_date] => 2009-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2345 [patent_no_of_claims] => 10 [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] => publications/A1/0143/20100143175.pdf [firstpage_image] =>[orig_patent_app_number] => 12630029 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/630029
Internal gear pump with optimized noise behaviour Dec 2, 2009 Issued
Array ( [id] => 9522827 [patent_doc_number] => 08747085 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-10 [patent_title] => 'Sliding vane pump with improved rotor profile' [patent_app_type] => utility [patent_app_number] => 12/998760 [patent_app_country] => US [patent_app_date] => 2009-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3592 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12998760 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/998760
Sliding vane pump with improved rotor profile Nov 22, 2009 Issued
Array ( [id] => 9949819 [patent_doc_number] => 08998595 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-07 [patent_title] => 'Scroll compressor with passage in the spiral wrap' [patent_app_type] => utility [patent_app_number] => 13/132815 [patent_app_country] => US [patent_app_date] => 2009-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 13380 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 298 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13132815 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/132815
Scroll compressor with passage in the spiral wrap Nov 16, 2009 Issued
Array ( [id] => 9588063 [patent_doc_number] => 08777598 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-07-15 [patent_title] => 'Stators for downwhole motors, methods for fabricating the same, and downhole motors incorporating the same' [patent_app_type] => utility [patent_app_number] => 12/617864 [patent_app_country] => US [patent_app_date] => 2009-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 22 [patent_no_of_words] => 5001 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12617864 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/617864
Stators for downwhole motors, methods for fabricating the same, and downhole motors incorporating the same Nov 12, 2009 Issued
Array ( [id] => 9849306 [patent_doc_number] => 08951028 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-02-10 [patent_title] => 'Rotary machine of the deformable rhombus type comprising an improved transmission mechanism' [patent_app_type] => utility [patent_app_number] => 13/128692 [patent_app_country] => US [patent_app_date] => 2009-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 31 [patent_no_of_words] => 12991 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [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] => 13128692 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/128692
Rotary machine of the deformable rhombus type comprising an improved transmission mechanism Nov 9, 2009 Issued
Array ( [id] => 110867 [patent_doc_number] => 07713042 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2010-05-11 [patent_title] => 'Rotary engine' [patent_app_type] => utility [patent_app_number] => 12/614416 [patent_app_country] => US [patent_app_date] => 2009-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 8605 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 582 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/713/07713042.pdf [firstpage_image] =>[orig_patent_app_number] => 12614416 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/614416
Rotary engine Nov 6, 2009 Issued
Array ( [id] => 8980170 [patent_doc_number] => 08511277 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-20 [patent_title] => '“Turbomotor” rotary machine with volumetric expansion and variants thereof' [patent_app_type] => utility [patent_app_number] => 13/383421 [patent_app_country] => US [patent_app_date] => 2009-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 45 [patent_no_of_words] => 13700 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13383421 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/383421
“Turbomotor” rotary machine with volumetric expansion and variants thereof Nov 5, 2009 Issued
Array ( [id] => 8801389 [patent_doc_number] => 08439658 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-05-14 [patent_title] => 'Progressing cavity pump rubber reinforcement device for rotor alignment' [patent_app_type] => utility [patent_app_number] => 12/611531 [patent_app_country] => US [patent_app_date] => 2009-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 2937 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12611531 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/611531
Progressing cavity pump rubber reinforcement device for rotor alignment Nov 2, 2009 Issued
Array ( [id] => 6429090 [patent_doc_number] => 20100143174 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-10 [patent_title] => 'Rotary Working Machine Provided with an Assembly of Working Chambers and Periodically Variable Volume, In Particular a Compressor' [patent_app_type] => utility [patent_app_number] => 12/607370 [patent_app_country] => US [patent_app_date] => 2009-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5459 [patent_no_of_claims] => 13 [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] => publications/A1/0143/20100143174.pdf [firstpage_image] =>[orig_patent_app_number] => 12607370 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/607370
Rotary Working Machine Provided with an Assembly of Working Chambers and Periodically Variable Volume, In Particular a Compressor Oct 27, 2009 Abandoned
Array ( [id] => 6440070 [patent_doc_number] => 20100104457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-29 [patent_title] => 'TURBOCHARGER' [patent_app_type] => utility [patent_app_number] => 12/604657 [patent_app_country] => US [patent_app_date] => 2009-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1389 [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] => publications/A1/0104/20100104457.pdf [firstpage_image] =>[orig_patent_app_number] => 12604657 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/604657
Turbocharger with friction-increasing coating Oct 22, 2009 Issued
Array ( [id] => 6511564 [patent_doc_number] => 20100122530 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-20 [patent_title] => 'INTERNAL COMBUSTION ENGINE WITH EXHAUST GAS RECIRCULATION' [patent_app_type] => utility [patent_app_number] => 12/578686 [patent_app_country] => US [patent_app_date] => 2009-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7951 [patent_no_of_claims] => 19 [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] => publications/A1/0122/20100122530.pdf [firstpage_image] =>[orig_patent_app_number] => 12578686 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/578686
Internal combustion engine with exhaust gas recirculation Oct 13, 2009 Issued
Array ( [id] => 6589407 [patent_doc_number] => 20100031936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-11 [patent_title] => 'Supercharged Internal Combustion Engine and Method for Monitoring Whether the Crankcase Vent Has Been Connected' [patent_app_type] => utility [patent_app_number] => 12/578403 [patent_app_country] => US [patent_app_date] => 2009-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1590 [patent_no_of_claims] => 7 [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] => publications/A1/0031/20100031936.pdf [firstpage_image] =>[orig_patent_app_number] => 12578403 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/578403
Supercharged internal combustion engine and method for monitoring whether the crankcase vent has been connected Oct 12, 2009 Issued
Array ( [id] => 6164558 [patent_doc_number] => 20110194962 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-11 [patent_title] => 'VANE PUMP WITH VARIABLE DISCHARGE VOLUME' [patent_app_type] => utility [patent_app_number] => 13/123528 [patent_app_country] => US [patent_app_date] => 2009-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3817 [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] => publications/A1/0194/20110194962.pdf [firstpage_image] =>[orig_patent_app_number] => 13123528 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/123528
VANE PUMP WITH VARIABLE DISCHARGE VOLUME Oct 7, 2009 Abandoned
Array ( [id] => 6118499 [patent_doc_number] => 20110076172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-31 [patent_title] => 'SCROLL PUMP WITH ISOLATION BARRIER' [patent_app_type] => utility [patent_app_number] => 12/567625 [patent_app_country] => US [patent_app_date] => 2009-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4257 [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] => publications/A1/0076/20110076172.pdf [firstpage_image] =>[orig_patent_app_number] => 12567625 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/567625
Scroll pump with isolation barrier Sep 24, 2009 Issued
Array ( [id] => 6337623 [patent_doc_number] => 20100083657 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-08 [patent_title] => 'Method for Controlling and/or Adjusting a Charging Pressure of an Exhaust Gas Turbocharger as well as an Internal Combustion Engine' [patent_app_type] => utility [patent_app_number] => 12/566185 [patent_app_country] => US [patent_app_date] => 2009-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4212 [patent_no_of_claims] => 21 [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] => publications/A1/0083/20100083657.pdf [firstpage_image] =>[orig_patent_app_number] => 12566185 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/566185
Method for controlling and/or adjusting a charging pressure of an exhaust gas turbocharger as well as an internal combustion engine Sep 23, 2009 Issued
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