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] => 5581901 [patent_doc_number] => 20090101103 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-23 [patent_title] => 'ROTARY PISTON ENGINE AND METHOD FOR DESIGNING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/250796 [patent_app_country] => US [patent_app_date] => 2008-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7581 [patent_no_of_claims] => 23 [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] => publications/A1/0101/20090101103.pdf [firstpage_image] =>[orig_patent_app_number] => 12250796 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/250796
Rotary piston engine and method for designing the same Oct 13, 2008 Issued
Array ( [id] => 8151105 [patent_doc_number] => 08167595 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-05-01 [patent_title] => 'Inlet screen and scroll compressor incorporating same' [patent_app_type] => utility [patent_app_number] => 12/250696 [patent_app_country] => US [patent_app_date] => 2008-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 19 [patent_no_of_words] => 8439 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/167/08167595.pdf [firstpage_image] =>[orig_patent_app_number] => 12250696 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/250696
Inlet screen and scroll compressor incorporating same Oct 13, 2008 Issued
Array ( [id] => 6477465 [patent_doc_number] => 20100092319 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-15 [patent_title] => 'Suction Duct and Scroll Compressor Incorporating Same' [patent_app_type] => utility [patent_app_number] => 12/250688 [patent_app_country] => US [patent_app_date] => 2008-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8130 [patent_no_of_claims] => 26 [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/A1/0092/20100092319.pdf [firstpage_image] =>[orig_patent_app_number] => 12250688 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/250688
Suction duct and scroll compressor incorporating same Oct 13, 2008 Issued
Array ( [id] => 9759974 [patent_doc_number] => 08844285 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-30 [patent_title] => 'Two-stage supercharging exhaust turbocharger' [patent_app_type] => utility [patent_app_number] => 12/524394 [patent_app_country] => US [patent_app_date] => 2008-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4368 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12524394 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/524394
Two-stage supercharging exhaust turbocharger Oct 2, 2008 Issued
Array ( [id] => 8186781 [patent_doc_number] => 08182248 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-05-22 [patent_title] => 'Vane pump with tilting pad radial bearings' [patent_app_type] => utility [patent_app_number] => 12/243345 [patent_app_country] => US [patent_app_date] => 2008-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1257 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/182/08182248.pdf [firstpage_image] =>[orig_patent_app_number] => 12243345 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/243345
Vane pump with tilting pad radial bearings Sep 30, 2008 Issued
Array ( [id] => 7722858 [patent_doc_number] => 08096124 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-01-17 [patent_title] => 'Exhaust system having parallel asymmetric turbochargers and EGR' [patent_app_type] => utility [patent_app_number] => 12/285145 [patent_app_country] => US [patent_app_date] => 2008-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3174 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/096/08096124.pdf [firstpage_image] =>[orig_patent_app_number] => 12285145 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/285145
Exhaust system having parallel asymmetric turbochargers and EGR Sep 29, 2008 Issued
Array ( [id] => 6354256 [patent_doc_number] => 20100077997 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-01 [patent_title] => 'Engine Unit and Vehicle Comprising Engine Unit' [patent_app_type] => utility [patent_app_number] => 12/240788 [patent_app_country] => US [patent_app_date] => 2008-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5742 [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/A1/0077/20100077997.pdf [firstpage_image] =>[orig_patent_app_number] => 12240788 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/240788
Supercharger mounting to an engine unit of a vehicle Sep 28, 2008 Issued
Array ( [id] => 5428021 [patent_doc_number] => 20090087331 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-02 [patent_title] => 'Scroll type fluid machine' [patent_app_type] => utility [patent_app_number] => 12/285037 [patent_app_country] => US [patent_app_date] => 2008-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8984 [patent_no_of_claims] => 21 [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/A1/0087/20090087331.pdf [firstpage_image] =>[orig_patent_app_number] => 12285037 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/285037
Scroll fluid machine with ball coupling rotation prevention mechanism Sep 28, 2008 Issued
Array ( [id] => 5428024 [patent_doc_number] => 20090087334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-02 [patent_title] => 'Sliding Vane Compression and Expansion Device' [patent_app_type] => utility [patent_app_number] => 12/240302 [patent_app_country] => US [patent_app_date] => 2008-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5367 [patent_no_of_claims] => 17 [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/A1/0087/20090087334.pdf [firstpage_image] =>[orig_patent_app_number] => 12240302 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/240302
Sliding Vane Compression and Expansion Device Sep 28, 2008 Abandoned
Array ( [id] => 6603668 [patent_doc_number] => 20100224165 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-09 [patent_title] => 'VARIABLE-VOLUME ROTARY DEVICE, AN EFFICIENT TWO-STROKE SPHERICAL ENGINE' [patent_app_type] => utility [patent_app_number] => 12/681519 [patent_app_country] => US [patent_app_date] => 2008-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 3878 [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/A1/0224/20100224165.pdf [firstpage_image] =>[orig_patent_app_number] => 12681519 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/681519
Variable-volume rotary device, an efficient two-stroke spherical engine Sep 28, 2008 Issued
Array ( [id] => 5507854 [patent_doc_number] => 20090081061 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-26 [patent_title] => 'PERIPHERALLY PIVOTED OSCILLATING VANE MACHINE' [patent_app_type] => utility [patent_app_number] => 12/235291 [patent_app_country] => US [patent_app_date] => 2008-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 64 [patent_figures_cnt] => 64 [patent_no_of_words] => 16374 [patent_no_of_claims] => 15 [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] => 12235291 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/235291
PERIPHERALLY PIVOTED OSCILLATING VANE MACHINE Sep 21, 2008 Abandoned
Array ( [id] => 7710015 [patent_doc_number] => 08092201 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-01-10 [patent_title] => 'Vane pump with coated vanes' [patent_app_type] => utility [patent_app_number] => 12/211856 [patent_app_country] => US [patent_app_date] => 2008-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4608 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/092/08092201.pdf [firstpage_image] =>[orig_patent_app_number] => 12211856 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/211856
Vane pump with coated vanes Sep 16, 2008 Issued
Array ( [id] => 5428023 [patent_doc_number] => 20090087333 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-02 [patent_title] => 'Gerotor pump' [patent_app_type] => utility [patent_app_number] => 12/283214 [patent_app_country] => US [patent_app_date] => 2008-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3777 [patent_no_of_claims] => 17 [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] => publications/A1/0087/20090087333.pdf [firstpage_image] =>[orig_patent_app_number] => 12283214 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/283214
Gerotor pump Sep 9, 2008 Abandoned
Array ( [id] => 8292491 [patent_doc_number] => 08220265 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-07-17 [patent_title] => 'Internal combustion engine with a variable geometry compressor' [patent_app_type] => utility [patent_app_number] => 12/232077 [patent_app_country] => US [patent_app_date] => 2008-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3471 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12232077 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/232077
Internal combustion engine with a variable geometry compressor Sep 9, 2008 Issued
Array ( [id] => 7501271 [patent_doc_number] => 08033803 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-10-11 [patent_title] => 'Compressor having improved sealing assembly' [patent_app_type] => utility [patent_app_number] => 12/207016 [patent_app_country] => US [patent_app_date] => 2008-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3866 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/033/08033803.pdf [firstpage_image] =>[orig_patent_app_number] => 12207016 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/207016
Compressor having improved sealing assembly Sep 8, 2008 Issued
Array ( [id] => 208991 [patent_doc_number] => 07625193 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-12-01 [patent_title] => 'Radial axis, spherical based rotary machines' [patent_app_type] => utility [patent_app_number] => 12/207377 [patent_app_country] => US [patent_app_date] => 2008-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 54 [patent_no_of_words] => 8752 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/625/07625193.pdf [firstpage_image] =>[orig_patent_app_number] => 12207377 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/207377
Radial axis, spherical based rotary machines Sep 8, 2008 Issued
Array ( [id] => 4500830 [patent_doc_number] => 07914268 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-03-29 [patent_title] => 'Compressor having shell with alignment features' [patent_app_type] => utility [patent_app_number] => 12/207036 [patent_app_country] => US [patent_app_date] => 2008-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 4302 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/914/07914268.pdf [firstpage_image] =>[orig_patent_app_number] => 12207036 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/207036
Compressor having shell with alignment features Sep 8, 2008 Issued
Array ( [id] => 7513603 [patent_doc_number] => 08037670 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-10-18 [patent_title] => 'Bi-directional converter between pressure and rotational force' [patent_app_type] => utility [patent_app_number] => 12/230884 [patent_app_country] => US [patent_app_date] => 2008-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 22 [patent_no_of_words] => 6192 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 675 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/037/08037670.pdf [firstpage_image] =>[orig_patent_app_number] => 12230884 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/230884
Bi-directional converter between pressure and rotational force Sep 4, 2008 Issued
Array ( [id] => 9322577 [patent_doc_number] => 08657592 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-02-25 [patent_title] => 'Pumping apparatus with a hollow shaft acting as a valve' [patent_app_type] => utility [patent_app_number] => 12/204678 [patent_app_country] => US [patent_app_date] => 2008-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3465 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12204678 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/204678
Pumping apparatus with a hollow shaft acting as a valve Sep 3, 2008 Issued
Array ( [id] => 6219882 [patent_doc_number] => 20100054977 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-04 [patent_title] => 'VARIABLE DISPLACEMENT PUMP' [patent_app_type] => utility [patent_app_number] => 12/203434 [patent_app_country] => US [patent_app_date] => 2008-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2209 [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/A1/0054/20100054977.pdf [firstpage_image] =>[orig_patent_app_number] => 12203434 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/203434
Variable displacement pump Sep 2, 2008 Issued
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