Search

Christopher M. Keehan

Examiner (ID: 9444)

Most Active Art Unit
1712
Art Unit(s)
1741, 1712
Total Applications
309
Issued Applications
251
Pending Applications
17
Abandoned Applications
41

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6119470 [patent_doc_number] => 20110083640 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-04-14 [patent_title] => 'METHOD OF CONTROLLING KNOCKING IN AN INTERNAL COMBUSTION ENGINE EQUIPPED WITH A DEVICE FOR CONTROLLING THE OPENING OF INLET VALVES' [patent_app_type] => utility [patent_app_number] => 12/903766 [patent_app_country] => US [patent_app_date] => 2010-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4063 [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] => publications/A1/0083/20110083640.pdf [firstpage_image] =>[orig_patent_app_number] => 12903766 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/903766
Method of controlling knocking in an internal combustion engine equipped with a device for controlling the opening of inlet valves Oct 12, 2010 Issued
Array ( [id] => 9142866 [patent_doc_number] => 08583347 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-11-12 [patent_title] => 'Method for determining at least one rail pressure/closing current value pair for a pressure control valve of a common rail injection system' [patent_app_type] => utility [patent_app_number] => 12/925066 [patent_app_country] => US [patent_app_date] => 2010-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2812 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12925066 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/925066
Method for determining at least one rail pressure/closing current value pair for a pressure control valve of a common rail injection system Oct 11, 2010 Issued
Array ( [id] => 9241682 [patent_doc_number] => 08606486 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-12-10 [patent_title] => 'System and method for measuring engine airflow' [patent_app_type] => utility [patent_app_number] => 12/900039 [patent_app_country] => US [patent_app_date] => 2010-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3341 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12900039 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/900039
System and method for measuring engine airflow Oct 6, 2010 Issued
Array ( [id] => 8057517 [patent_doc_number] => 20120078492 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-29 [patent_title] => 'ENGINE SYSTEM AND METHOD' [patent_app_type] => utility [patent_app_number] => 12/888928 [patent_app_country] => US [patent_app_date] => 2010-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9610 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0078/20120078492.pdf [firstpage_image] =>[orig_patent_app_number] => 12888928 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/888928
ENGINE SYSTEM AND METHOD Sep 22, 2010 Abandoned
Array ( [id] => 6123464 [patent_doc_number] => 20110077836 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-31 [patent_title] => 'ENGINE CONTROL APPARATUS AND METHOD' [patent_app_type] => utility [patent_app_number] => 12/887812 [patent_app_country] => US [patent_app_date] => 2010-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8492 [patent_no_of_claims] => 7 [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/A1/0077/20110077836.pdf [firstpage_image] =>[orig_patent_app_number] => 12887812 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/887812
Engine control apparatus and method Sep 21, 2010 Issued
Array ( [id] => 6123476 [patent_doc_number] => 20110077840 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-31 [patent_title] => 'INTERNAL COMBUSTION ENGINE SYSTEM, FUEL INJECTION CONTROL METHOD OF INTERNAL COMBUSTION ENGINE, AND VEHICLE' [patent_app_type] => utility [patent_app_number] => 12/883375 [patent_app_country] => US [patent_app_date] => 2010-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 14107 [patent_no_of_claims] => 4 [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/A1/0077/20110077840.pdf [firstpage_image] =>[orig_patent_app_number] => 12883375 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/883375
INTERNAL COMBUSTION ENGINE SYSTEM, FUEL INJECTION CONTROL METHOD OF INTERNAL COMBUSTION ENGINE, AND VEHICLE Sep 15, 2010 Abandoned
Array ( [id] => 7813849 [patent_doc_number] => 20120060469 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-15 [patent_title] => 'MODEL-BASED DIAGNOSTIC METHOD AND SYSTEM FOR A SELECTIVE REDUCTION CATALYST DEVICE IN A VEHICLE' [patent_app_type] => utility [patent_app_number] => 12/878357 [patent_app_country] => US [patent_app_date] => 2010-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2882 [patent_no_of_claims] => 17 [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/A1/0060/20120060469.pdf [firstpage_image] =>[orig_patent_app_number] => 12878357 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/878357
Model-based diagnostic method and system for a selective reduction catalyst device in a vehicle Sep 8, 2010 Issued
Array ( [id] => 7786689 [patent_doc_number] => 20120048245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-01 [patent_title] => 'MODULATING HYDRODYNAMIC FLOW CHARACTERISTICS TO ALLEVIATE AUTOMOTIVE HEAT EXCHANGER CONTAMINATION' [patent_app_type] => utility [patent_app_number] => 12/873356 [patent_app_country] => US [patent_app_date] => 2010-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7419 [patent_no_of_claims] => 17 [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/A1/0048/20120048245.pdf [firstpage_image] =>[orig_patent_app_number] => 12873356 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/873356
Modulating hydrodynamic flow characteristics to alleviate automotive heat exchanger contamination Aug 31, 2010 Issued
Array ( [id] => 10001970 [patent_doc_number] => 09046049 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-02 [patent_title] => 'Apparatus and method for controlling fuel injection in a bi-fuel vehicle running on two fuels, I.E. gasoline and LPG' [patent_app_type] => utility [patent_app_number] => 13/391259 [patent_app_country] => US [patent_app_date] => 2010-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3933 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13391259 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/391259
Apparatus and method for controlling fuel injection in a bi-fuel vehicle running on two fuels, I.E. gasoline and LPG Jul 28, 2010 Issued
Array ( [id] => 7748664 [patent_doc_number] => 20120024252 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-02 [patent_title] => 'SYSTEM AND METHOD FOR STARTING AN ENGINE USING LOW ELECTRIC POWER' [patent_app_type] => utility [patent_app_number] => 12/844992 [patent_app_country] => US [patent_app_date] => 2010-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2560 [patent_no_of_claims] => 13 [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/A1/0024/20120024252.pdf [firstpage_image] =>[orig_patent_app_number] => 12844992 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/844992
SYSTEM AND METHOD FOR STARTING AN ENGINE USING LOW ELECTRIC POWER Jul 27, 2010 Abandoned
Array ( [id] => 10890209 [patent_doc_number] => 08914219 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-16 [patent_title] => 'Method for operating an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 12/829430 [patent_app_country] => US [patent_app_date] => 2010-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4097 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 312 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12829430 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/829430
Method for operating an internal combustion engine Jul 1, 2010 Issued
Array ( [id] => 9994020 [patent_doc_number] => 09038602 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-05-26 [patent_title] => 'Mounting system for a resonating needle injection device' [patent_app_type] => utility [patent_app_number] => 13/392140 [patent_app_country] => US [patent_app_date] => 2010-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1820 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13392140 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/392140
Mounting system for a resonating needle injection device Jun 21, 2010 Issued
Array ( [id] => 7814178 [patent_doc_number] => 20120060798 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-15 [patent_title] => 'FUEL INJECTION VALVE MOUNTING STRUCTURE' [patent_app_type] => utility [patent_app_number] => 13/259279 [patent_app_country] => US [patent_app_date] => 2010-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3097 [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/A1/0060/20120060798.pdf [firstpage_image] =>[orig_patent_app_number] => 13259279 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/259279
Fuel injection valve mounting structure May 20, 2010 Issued
Array ( [id] => 8671917 [patent_doc_number] => 20130046455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-21 [patent_title] => 'CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 13/636902 [patent_app_country] => US [patent_app_date] => 2010-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8361 [patent_no_of_claims] => 16 [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] => 13636902 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/636902
Control device for internal combustion engine May 12, 2010 Issued
Array ( [id] => 6229902 [patent_doc_number] => 20100263632 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-10-21 [patent_title] => 'Control Apparatus and Control Method for Internal Combustion Engine' [patent_app_type] => utility [patent_app_number] => 12/763732 [patent_app_country] => US [patent_app_date] => 2010-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 9172 [patent_no_of_claims] => 10 [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/A1/0263/20100263632.pdf [firstpage_image] =>[orig_patent_app_number] => 12763732 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/763732
Control Apparatus and Control Method for Internal Combustion Engine Apr 19, 2010 Abandoned
Array ( [id] => 10860227 [patent_doc_number] => 08886440 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-11 [patent_title] => 'Method and system for reducing turbo lag in an engine' [patent_app_type] => utility [patent_app_number] => 12/761912 [patent_app_country] => US [patent_app_date] => 2010-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3850 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12761912 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/761912
Method and system for reducing turbo lag in an engine Apr 15, 2010 Issued
Array ( [id] => 7489445 [patent_doc_number] => 20110251776 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-13 [patent_title] => 'FUEL ACCUMULATOR AND FUEL SYSTEM USING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/756592 [patent_app_country] => US [patent_app_date] => 2010-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4032 [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/A1/0251/20110251776.pdf [firstpage_image] =>[orig_patent_app_number] => 12756592 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/756592
FUEL ACCUMULATOR AND FUEL SYSTEM USING THE SAME Apr 7, 2010 Abandoned
Array ( [id] => 7665861 [patent_doc_number] => 20110315130 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-29 [patent_title] => 'ARRANGEMENT FOR COOLING OF RECIRCULATING EXHAUST GASES OF A COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 13/254213 [patent_app_country] => US [patent_app_date] => 2010-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5014 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13254213 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/254213
Arrangement for cooling of recirculating exhaust gases of a combustion engine Feb 28, 2010 Issued
Array ( [id] => 9499432 [patent_doc_number] => 08738272 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-05-27 [patent_title] => 'Control apparatus for internal combustion engine including variable valve operating apparatus' [patent_app_type] => utility [patent_app_number] => 13/501107 [patent_app_country] => US [patent_app_date] => 2009-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 11352 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13501107 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/501107
Control apparatus for internal combustion engine including variable valve operating apparatus Dec 15, 2009 Issued
Array ( [id] => 7647854 [patent_doc_number] => 20110297122 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-08 [patent_title] => 'Method of Operating an Engine Using an Ashless Consumable Lubricant' [patent_app_type] => utility [patent_app_number] => 13/132387 [patent_app_country] => US [patent_app_date] => 2009-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9892 [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/A1/0297/20110297122.pdf [firstpage_image] =>[orig_patent_app_number] => 13132387 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/132387
Method of operating an engine using an ashless consumable lubricant Dec 2, 2009 Issued
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