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] => 9130824 [patent_doc_number] => 20130291537 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-07 [patent_title] => 'LOW-PRESSURE LOOP EGR DEVICE' [patent_app_type] => utility [patent_app_number] => 13/823190 [patent_app_country] => US [patent_app_date] => 2011-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5151 [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] => 13823190 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/823190
Low-pressure loop EGR device Nov 7, 2011 Issued
Array ( [id] => 8939347 [patent_doc_number] => 20130189144 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-25 [patent_title] => 'SCROLL COMPRESSOR' [patent_app_type] => utility [patent_app_number] => 13/878953 [patent_app_country] => US [patent_app_date] => 2011-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 11795 [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] => 13878953 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/878953
Scroll compressor with opening/closing mechanism for the back pressure space Nov 7, 2011 Issued
Array ( [id] => 8164187 [patent_doc_number] => 20120103301 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-03 [patent_title] => 'Rotary valve continuous flow expansible chamber dynamic and positive displacement rotary devices' [patent_app_type] => utility [patent_app_number] => 13/317771 [patent_app_country] => US [patent_app_date] => 2011-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6711 [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/A1/0103/20120103301.pdf [firstpage_image] =>[orig_patent_app_number] => 13317771 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/317771
Rotary valve continuous flow expansible chamber dynamic and positive displacement rotary devices Oct 25, 2011 Issued
Array ( [id] => 10002025 [patent_doc_number] => 09046104 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-02 [patent_title] => 'Turbocharger system with electric motor assist for high pressure turbocharger' [patent_app_type] => utility [patent_app_number] => 13/882079 [patent_app_country] => US [patent_app_date] => 2011-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3692 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 433 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13882079 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/882079
Turbocharger system with electric motor assist for high pressure turbocharger Oct 25, 2011 Issued
Array ( [id] => 9587227 [patent_doc_number] => 08776759 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-07-15 [patent_title] => 'Rotary internal combustion engine' [patent_app_type] => utility [patent_app_number] => 13/252199 [patent_app_country] => US [patent_app_date] => 2011-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 11230 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 464 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13252199 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/252199
Rotary internal combustion engine Oct 3, 2011 Issued
Array ( [id] => 8076379 [patent_doc_number] => 20120011845 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-19 [patent_title] => 'Internal Combustion Engine Cylinder Head With Integral Exhaust Runners And Turbocharger Housing' [patent_app_type] => utility [patent_app_number] => 13/244295 [patent_app_country] => US [patent_app_date] => 2011-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 6875 [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/A1/0011/20120011845.pdf [firstpage_image] =>[orig_patent_app_number] => 13244295 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/244295
Internal Combustion Engine Cylinder Head With Integral Exhaust Runners And Turbocharger Housing Sep 23, 2011 Abandoned
Array ( [id] => 7748092 [patent_doc_number] => 20120023937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-02 [patent_title] => 'FIXED RATE EGR SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/239137 [patent_app_country] => US [patent_app_date] => 2011-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7305 [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/A1/0023/20120023937.pdf [firstpage_image] =>[orig_patent_app_number] => 13239137 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/239137
Fixed rate EGR system Sep 20, 2011 Issued
Array ( [id] => 9111016 [patent_doc_number] => 08567178 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-10-29 [patent_title] => 'Positive displacement rotary vane engine' [patent_app_type] => utility [patent_app_number] => 13/233073 [patent_app_country] => US [patent_app_date] => 2011-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 7155 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13233073 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/233073
Positive displacement rotary vane engine Sep 14, 2011 Issued
Array ( [id] => 7579573 [patent_doc_number] => 20110293456 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-01 [patent_title] => 'SCROLL MACHINE' [patent_app_type] => utility [patent_app_number] => 13/206669 [patent_app_country] => US [patent_app_date] => 2011-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 19386 [patent_no_of_claims] => 27 [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/A1/0293/20110293456.pdf [firstpage_image] =>[orig_patent_app_number] => 13206669 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/206669
Scroll machine having axially biased scroll Aug 9, 2011 Issued
Array ( [id] => 10077872 [patent_doc_number] => 09115716 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-25 [patent_title] => 'Vane compressor with vane aligners' [patent_app_type] => utility [patent_app_number] => 13/700634 [patent_app_country] => US [patent_app_date] => 2011-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 9641 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13700634 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/700634
Vane compressor with vane aligners Aug 1, 2011 Issued
Array ( [id] => 10090860 [patent_doc_number] => 09127675 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-08 [patent_title] => 'Vane compressor with vane aligners' [patent_app_type] => utility [patent_app_number] => 13/701057 [patent_app_country] => US [patent_app_date] => 2011-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9413 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13701057 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/701057
Vane compressor with vane aligners Aug 1, 2011 Issued
Array ( [id] => 8609192 [patent_doc_number] => 20130014503 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-17 [patent_title] => 'HOUSING ASSEMBLY FOR FORCED AIR INDUCTION SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/183969 [patent_app_country] => US [patent_app_date] => 2011-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3683 [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] => 13183969 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/183969
HOUSING ASSEMBLY FOR FORCED AIR INDUCTION SYSTEM Jul 14, 2011 Abandoned
Array ( [id] => 7731257 [patent_doc_number] => 20120014825 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-19 [patent_title] => 'ROOTS TYPE FLUID MACHINE' [patent_app_type] => utility [patent_app_number] => 13/180873 [patent_app_country] => US [patent_app_date] => 2011-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 6137 [patent_no_of_claims] => 8 [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/A1/0014/20120014825.pdf [firstpage_image] =>[orig_patent_app_number] => 13180873 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/180873
Roots fluid machine with reduced gas leakage Jul 11, 2011 Issued
Array ( [id] => 9354130 [patent_doc_number] => 08672659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-03-18 [patent_title] => 'Vane air motor with prevention of leaking radial bearing grease' [patent_app_type] => utility [patent_app_number] => 13/177013 [patent_app_country] => US [patent_app_date] => 2011-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3399 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 450 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13177013 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/177013
Vane air motor with prevention of leaking radial bearing grease Jul 5, 2011 Issued
Array ( [id] => 8783074 [patent_doc_number] => 08429912 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-30 [patent_title] => 'Dual turbocharged internal combustion engine system with compressor and turbine bypasses' [patent_app_type] => utility [patent_app_number] => 13/169304 [patent_app_country] => US [patent_app_date] => 2011-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4350 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [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] => 13169304 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/169304
Dual turbocharged internal combustion engine system with compressor and turbine bypasses Jun 26, 2011 Issued
Array ( [id] => 7647547 [patent_doc_number] => 20110296815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-08 [patent_title] => 'INTAKE AIR HEATING AND EXHAUST COOLING' [patent_app_type] => utility [patent_app_number] => 13/168657 [patent_app_country] => US [patent_app_date] => 2011-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4731 [patent_no_of_claims] => 20 [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] => publications/A1/0296/20110296815.pdf [firstpage_image] =>[orig_patent_app_number] => 13168657 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/168657
Intake air heating and exhaust cooling Jun 23, 2011 Issued
Array ( [id] => 7662082 [patent_doc_number] => 20110311351 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-22 [patent_title] => 'SHROUD FOR ROTARY ENGINE' [patent_app_type] => utility [patent_app_number] => 13/162436 [patent_app_country] => US [patent_app_date] => 2011-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 6470 [patent_no_of_claims] => 29 [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/A1/0311/20110311351.pdf [firstpage_image] =>[orig_patent_app_number] => 13162436 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/162436
Shroud for rotary engine Jun 15, 2011 Issued
Array ( [id] => 8512603 [patent_doc_number] => 20120312011 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-13 [patent_title] => 'TURBINE HOUSING AND METHOD FOR DIRECTING EXHAUST' [patent_app_type] => utility [patent_app_number] => 13/157650 [patent_app_country] => US [patent_app_date] => 2011-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2975 [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] => 13157650 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/157650
TURBINE HOUSING AND METHOD FOR DIRECTING EXHAUST Jun 9, 2011 Abandoned
Array ( [id] => 9842126 [patent_doc_number] => 08944025 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-02-03 [patent_title] => 'Rotary piston internal combustion engine' [patent_app_type] => utility [patent_app_number] => 13/155150 [patent_app_country] => US [patent_app_date] => 2011-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4262 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13155150 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/155150
Rotary piston internal combustion engine Jun 6, 2011 Issued
Array ( [id] => 9949818 [patent_doc_number] => 08998594 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-07 [patent_title] => 'Vane cell pump with vane plate guide crosspieces and synchronization cylinder' [patent_app_type] => utility [patent_app_number] => 13/701594 [patent_app_country] => US [patent_app_date] => 2011-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7269 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 435 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13701594 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/701594
Vane cell pump with vane plate guide crosspieces and synchronization cylinder May 30, 2011 Issued
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