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] => 8845162 [patent_doc_number] => 08454334 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-06-04 [patent_title] => 'Lubricant control valve for a screw compressor' [patent_app_type] => utility [patent_app_number] => 13/024356 [patent_app_country] => US [patent_app_date] => 2011-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5028 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13024356 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/024356
Lubricant control valve for a screw compressor Feb 9, 2011 Issued
Array ( [id] => 5958375 [patent_doc_number] => 20110182762 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-28 [patent_title] => 'Screw-Type Compressor' [patent_app_type] => utility [patent_app_number] => 13/015736 [patent_app_country] => US [patent_app_date] => 2011-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4592 [patent_no_of_claims] => 22 [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/A1/0182/20110182762.pdf [firstpage_image] =>[orig_patent_app_number] => 13015736 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/015736
Screw compressor with a sound dampening device that separates lubricant Jan 27, 2011 Issued
Array ( [id] => 6109909 [patent_doc_number] => 20110189043 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-04 [patent_title] => 'VANE PUMP' [patent_app_type] => utility [patent_app_number] => 13/011972 [patent_app_country] => US [patent_app_date] => 2011-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 11139 [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] => publications/A1/0189/20110189043.pdf [firstpage_image] =>[orig_patent_app_number] => 13011972 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/011972
VANE PUMP Jan 23, 2011 Abandoned
Array ( [id] => 8758876 [patent_doc_number] => 08419392 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-16 [patent_title] => 'Variable displacement vane pump' [patent_app_type] => utility [patent_app_number] => 12/983485 [patent_app_country] => US [patent_app_date] => 2011-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 9676 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 364 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12983485 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/983485
Variable displacement vane pump Jan 2, 2011 Issued
Array ( [id] => 5961385 [patent_doc_number] => 20110146273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-23 [patent_title] => 'Compressor System Having Limited Suction Charging Pressure and Method of Operating Same' [patent_app_type] => utility [patent_app_number] => 12/979537 [patent_app_country] => US [patent_app_date] => 2010-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5024 [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] => publications/A1/0146/20110146273.pdf [firstpage_image] =>[orig_patent_app_number] => 12979537 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/979537
Compressor system having limited suction charging pressure and method of operating same Dec 27, 2010 Issued
Array ( [id] => 6150473 [patent_doc_number] => 20110154819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-30 [patent_title] => 'SYSTEM FOR RECOVERING ENGINE EXHAUST ENERGY' [patent_app_type] => utility [patent_app_number] => 12/975648 [patent_app_country] => US [patent_app_date] => 2010-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 11795 [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] => publications/A1/0154/20110154819.pdf [firstpage_image] =>[orig_patent_app_number] => 12975648 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/975648
SYSTEM FOR RECOVERING ENGINE EXHAUST ENERGY Dec 21, 2010 Abandoned
Array ( [id] => 6079743 [patent_doc_number] => 20110142705 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-16 [patent_title] => 'ROTARY COMPRESSOR' [patent_app_type] => utility [patent_app_number] => 12/963814 [patent_app_country] => US [patent_app_date] => 2010-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4311 [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/A1/0142/20110142705.pdf [firstpage_image] =>[orig_patent_app_number] => 12963814 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/963814
Rotary compressor with improved suction portion location Dec 8, 2010 Issued
Array ( [id] => 7807048 [patent_doc_number] => 20120058001 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-08 [patent_title] => 'SCREW COMPRESSOR WITH ECONOMIZER' [patent_app_type] => utility [patent_app_number] => 13/148943 [patent_app_country] => US [patent_app_date] => 2010-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 2216 [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] => publications/A1/0058/20120058001.pdf [firstpage_image] =>[orig_patent_app_number] => 13148943 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/148943
SCREW COMPRESSOR WITH ECONOMIZER Nov 30, 2010 Abandoned
Array ( [id] => 11219393 [patent_doc_number] => 09447723 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-09-20 [patent_title] => 'Multiple inlet exhaust gas turbocharged engine with an axially moveable and rotatable adjustment ring' [patent_app_type] => utility [patent_app_number] => 12/927865 [patent_app_country] => US [patent_app_date] => 2010-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 6188 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 469 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12927865 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/927865
Multiple inlet exhaust gas turbocharged engine with an axially moveable and rotatable adjustment ring Nov 26, 2010 Issued
Array ( [id] => 9400510 [patent_doc_number] => 08690557 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-08 [patent_title] => 'Variable displacement vane pump' [patent_app_type] => utility [patent_app_number] => 12/948272 [patent_app_country] => US [patent_app_date] => 2010-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 18 [patent_no_of_words] => 21661 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 821 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12948272 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/948272
Variable displacement vane pump Nov 16, 2010 Issued
Array ( [id] => 9025453 [patent_doc_number] => 08535030 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-09-17 [patent_title] => 'Gerotor hydraulic pump with fluid actuated vanes' [patent_app_type] => utility [patent_app_number] => 12/927443 [patent_app_country] => US [patent_app_date] => 2010-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 4803 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12927443 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/927443
Gerotor hydraulic pump with fluid actuated vanes Nov 14, 2010 Issued
Array ( [id] => 6018725 [patent_doc_number] => 20110048370 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-03 [patent_title] => 'REVOLVING PISTON INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/942595 [patent_app_country] => US [patent_app_date] => 2010-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7655 [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] => publications/A1/0048/20110048370.pdf [firstpage_image] =>[orig_patent_app_number] => 12942595 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/942595
REVOLVING PISTON INTERNAL COMBUSTION ENGINE Nov 8, 2010 Abandoned
Array ( [id] => 10643059 [patent_doc_number] => 09359918 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-06-07 [patent_title] => 'Apparatus for reducing emissions and method of assembly' [patent_app_type] => utility [patent_app_number] => 12/915576 [patent_app_country] => US [patent_app_date] => 2010-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4375 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [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] => 12915576 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/915576
Apparatus for reducing emissions and method of assembly Oct 28, 2010 Issued
Array ( [id] => 9226660 [patent_doc_number] => 08632324 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-01-21 [patent_title] => 'Optimized helix angle rotors for roots-style supercharger' [patent_app_type] => utility [patent_app_number] => 12/915996 [patent_app_country] => US [patent_app_date] => 2010-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6932 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12915996 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/915996
Optimized helix angle rotors for roots-style supercharger Oct 28, 2010 Issued
Array ( [id] => 5952112 [patent_doc_number] => 20110033328 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-10 [patent_title] => 'COMPRESSOR HAVING CAPACITY MODULATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/909303 [patent_app_country] => US [patent_app_date] => 2010-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5946 [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/A1/0033/20110033328.pdf [firstpage_image] =>[orig_patent_app_number] => 12909303 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/909303
Compressor having capacity modulation system Oct 20, 2010 Issued
Array ( [id] => 14423893 [patent_doc_number] => 10316741 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-06-11 [patent_title] => Turbocharged combustion system [patent_app_type] => utility [patent_app_number] => 12/904222 [patent_app_country] => US [patent_app_date] => 2010-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2440 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12904222 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/904222
Turbocharged combustion system Oct 13, 2010 Issued
Array ( [id] => 7783801 [patent_doc_number] => 20120045357 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-23 [patent_title] => 'HIGH EFFIEIENCY SCROLL COMPRESSOR WITH SPIRAL COMPRESSOR BLADES OF UNEQUAL THICKNESS' [patent_app_type] => utility [patent_app_number] => 12/859961 [patent_app_country] => US [patent_app_date] => 2010-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1856 [patent_no_of_claims] => 3 [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/A1/0045/20120045357.pdf [firstpage_image] =>[orig_patent_app_number] => 12859961 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/859961
HIGH EFFIEIENCY SCROLL COMPRESSOR WITH SPIRAL COMPRESSOR BLADES OF UNEQUAL THICKNESS Aug 19, 2010 Abandoned
Array ( [id] => 8198357 [patent_doc_number] => 08186979 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-05-29 [patent_title] => 'Capacity varying type rotary compressor and refrigeration system having the same' [patent_app_type] => utility [patent_app_number] => 12/855193 [patent_app_country] => US [patent_app_date] => 2010-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 7329 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 450 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/186/08186979.pdf [firstpage_image] =>[orig_patent_app_number] => 12855193 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/855193
Capacity varying type rotary compressor and refrigeration system having the same Aug 11, 2010 Issued
Array ( [id] => 6201810 [patent_doc_number] => 20110064596 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-17 [patent_title] => 'SCROLL COMPRESSOR' [patent_app_type] => utility [patent_app_number] => 12/853457 [patent_app_country] => US [patent_app_date] => 2010-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 10596 [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/A1/0064/20110064596.pdf [firstpage_image] =>[orig_patent_app_number] => 12853457 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/853457
Scroll compressor with oil supply across a sealing part Aug 9, 2010 Issued
Array ( [id] => 8351012 [patent_doc_number] => 08246331 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-08-21 [patent_title] => 'Scroll fluid machine with a pin shaft and groove for restricting rotation' [patent_app_type] => utility [patent_app_number] => 12/847358 [patent_app_country] => US [patent_app_date] => 2010-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 34 [patent_no_of_words] => 33333 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12847358 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/847358
Scroll fluid machine with a pin shaft and groove for restricting rotation Jul 29, 2010 Issued
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