Search

Marguerite J. Mcmahon

Examiner (ID: 303, Phone: (571)272-4848 , Office: P/3747 )

Most Active Art Unit
3747
Art Unit(s)
2899, 3747, 3741, 3783, 3402, 3709, 3727
Total Applications
2817
Issued Applications
2286
Pending Applications
118
Abandoned Applications
414

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 9321881 [patent_doc_number] => 08656895 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-02-25 [patent_title] => 'Methods and systems for managing a clearance gap in a piston engine' [patent_app_type] => utility [patent_app_number] => 13/725985 [patent_app_country] => US [patent_app_date] => 2012-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 35 [patent_no_of_words] => 17362 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13725985 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/725985
Methods and systems for managing a clearance gap in a piston engine Dec 20, 2012 Issued
Array ( [id] => 8787891 [patent_doc_number] => 20130104860 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-02 [patent_title] => 'Engine Air Management System' [patent_app_type] => utility [patent_app_number] => 13/721273 [patent_app_country] => US [patent_app_date] => 2012-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3345 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 6 [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] => 13721273 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/721273
Engine air management system Dec 19, 2012 Issued
Array ( [id] => 9556688 [patent_doc_number] => 20140174400 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-26 [patent_title] => 'SPLIT-ANGLE CONNECTING ROD' [patent_app_type] => utility [patent_app_number] => 13/722835 [patent_app_country] => US [patent_app_date] => 2012-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2882 [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] => 13722835 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/722835
SPLIT-ANGLE CONNECTING ROD Dec 19, 2012 Abandoned
Array ( [id] => 11344144 [patent_doc_number] => 09528546 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-12-27 [patent_title] => 'Connecting rod for a reciprocating-piston engine' [patent_app_type] => utility [patent_app_number] => 14/367993 [patent_app_country] => US [patent_app_date] => 2012-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1958 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14367993 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/367993
Connecting rod for a reciprocating-piston engine Dec 12, 2012 Issued
Array ( [id] => 9920653 [patent_doc_number] => 08978602 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-17 [patent_title] => 'Six-stroke engine power density matching system and method' [patent_app_type] => utility [patent_app_number] => 13/711776 [patent_app_country] => US [patent_app_date] => 2012-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 8177 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13711776 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/711776
Six-stroke engine power density matching system and method Dec 11, 2012 Issued
Array ( [id] => 9880362 [patent_doc_number] => 08967112 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-03 [patent_title] => 'Four counterweight crankshaft for 90 degree V6 engine' [patent_app_type] => utility [patent_app_number] => 13/679118 [patent_app_country] => US [patent_app_date] => 2012-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2563 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13679118 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/679118
Four counterweight crankshaft for 90 degree V6 engine Nov 15, 2012 Issued
Array ( [id] => 11657879 [patent_doc_number] => 09670871 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-06-06 [patent_title] => 'Two-part steel piston for internal combustion engines' [patent_app_type] => utility [patent_app_number] => 14/348330 [patent_app_country] => US [patent_app_date] => 2012-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 5431 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14348330 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/348330
Two-part steel piston for internal combustion engines Sep 13, 2012 Issued
Array ( [id] => 10588226 [patent_doc_number] => 09309831 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-04-12 [patent_title] => 'Piston arrangement for a combustion chamber of an internal combustion engine, having a variable compression ratio' [patent_app_type] => utility [patent_app_number] => 14/350246 [patent_app_country] => US [patent_app_date] => 2012-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 5200 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 331 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14350246 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/350246
Piston arrangement for a combustion chamber of an internal combustion engine, having a variable compression ratio Sep 3, 2012 Issued
Array ( [id] => 8633771 [patent_doc_number] => 20130025574 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-31 [patent_title] => 'ALTERNATE FUEL STORAGE SYSTEM AND METHOD' [patent_app_type] => utility [patent_app_number] => 13/567315 [patent_app_country] => US [patent_app_date] => 2012-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 9215 [patent_no_of_claims] => 21 [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] => 13567315 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/567315
Alternate fuel storage system and method Aug 5, 2012 Issued
Array ( [id] => 8607859 [patent_doc_number] => 20130013171 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-10 [patent_title] => 'AUTOMOTIVE FUEL SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/542016 [patent_app_country] => US [patent_app_date] => 2012-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2629 [patent_no_of_claims] => 19 [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] => 13542016 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/542016
AUTOMOTIVE FUEL SYSTEM Jul 4, 2012 Abandoned
Array ( [id] => 8438910 [patent_doc_number] => 20120255527 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-10-11 [patent_title] => 'DEVICES, SYSTEMS, AND METHODS FOR CONTROLLING FUEL STATES FOR INTERNAL COMBUSTION ENGINES' [patent_app_type] => utility [patent_app_number] => 13/527339 [patent_app_country] => US [patent_app_date] => 2012-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7890 [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] => 13527339 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/527339
Devices, systems, and methods for controlling fuel states for internal combustion engines Jun 18, 2012 Issued
Array ( [id] => 8953970 [patent_doc_number] => 08499737 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-06 [patent_title] => 'Internal combustion engine with bearing cap dampening' [patent_app_type] => utility [patent_app_number] => 13/495097 [patent_app_country] => US [patent_app_date] => 2012-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 7178 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 336 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13495097 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/495097
Internal combustion engine with bearing cap dampening Jun 12, 2012 Issued
Array ( [id] => 8413381 [patent_doc_number] => 20120240881 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-27 [patent_title] => 'MULTI-PART PISTON FOR AN INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 13/489825 [patent_app_country] => US [patent_app_date] => 2012-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4145 [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] => 13489825 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/489825
MULTI-PART PISTON FOR AN INTERNAL COMBUSTION ENGINE Jun 5, 2012 Abandoned
Array ( [id] => 9514255 [patent_doc_number] => 20140150747 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-05 [patent_title] => 'PISTON FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR PRODUCING THE PISTON' [patent_app_type] => utility [patent_app_number] => 14/119498 [patent_app_country] => US [patent_app_date] => 2012-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2660 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [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] => 14119498 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/119498
PISTON FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR PRODUCING THE PISTON May 24, 2012 Abandoned
Array ( [id] => 9405484 [patent_doc_number] => 20140096736 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-10 [patent_title] => 'PISTON RING WITH COMPOSITE COATING' [patent_app_type] => utility [patent_app_number] => 14/122121 [patent_app_country] => US [patent_app_date] => 2012-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3511 [patent_no_of_claims] => 11 [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] => 14122121 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/122121
PISTON RING WITH COMPOSITE COATING May 23, 2012 Abandoned
Array ( [id] => 9170737 [patent_doc_number] => 20130312720 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-28 [patent_title] => 'HEAD COVER BAFFLE SYSTEM FOR IMPROVING OIL MIST SEPARATION' [patent_app_type] => utility [patent_app_number] => 13/478934 [patent_app_country] => US [patent_app_date] => 2012-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3992 [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] => 13478934 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/478934
Head cover baffle system for improving oil mist separation May 22, 2012 Issued
Array ( [id] => 9417751 [patent_doc_number] => 20140102401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-17 [patent_title] => 'CYLINDER LINER AND STRUCTURAL UNIT CONSISTING OF AT LEAST ONE CYLINDER LINER AND A CRANKCASE' [patent_app_type] => utility [patent_app_number] => 14/118903 [patent_app_country] => US [patent_app_date] => 2012-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1648 [patent_no_of_claims] => 12 [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] => 14118903 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/118903
CYLINDER LINER AND STRUCTURAL UNIT CONSISTING OF AT LEAST ONE CYLINDER LINER AND A CRANKCASE May 18, 2012 Abandoned
Array ( [id] => 8389858 [patent_doc_number] => 20120227701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-13 [patent_title] => 'Internal Combustion Engine Piston' [patent_app_type] => utility [patent_app_number] => 13/474051 [patent_app_country] => US [patent_app_date] => 2012-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5175 [patent_no_of_claims] => 15 [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] => 13474051 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/474051
Internal combustion engine piston May 16, 2012 Issued
Array ( [id] => 9157766 [patent_doc_number] => 20130306043 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-21 [patent_title] => 'POSITIVE CRANKCASE VENTILATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/473890 [patent_app_country] => US [patent_app_date] => 2012-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2727 [patent_no_of_claims] => 18 [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] => 13473890 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/473890
Positive crankcase ventilation system May 16, 2012 Issued
Array ( [id] => 10588202 [patent_doc_number] => 09309807 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-04-12 [patent_title] => 'Combustion chamber constructions for opposed-piston engines' [patent_app_type] => utility [patent_app_number] => 14/117831 [patent_app_country] => US [patent_app_date] => 2012-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 23 [patent_no_of_words] => 6191 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14117831 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/117831
Combustion chamber constructions for opposed-piston engines May 15, 2012 Issued
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