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] => 14103959 [patent_doc_number] => 20190093655 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-28 [patent_title] => ROTOR FOR A COMPRESSOR [patent_app_type] => utility [patent_app_number] => 16/143275 [patent_app_country] => US [patent_app_date] => 2018-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5520 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16143275 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/143275
Rotor for a compressor Sep 25, 2018 Issued
Array ( [id] => 14133459 [patent_doc_number] => 20190101119 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-04 [patent_title] => COMPRESSOR [patent_app_type] => utility [patent_app_number] => 16/137043 [patent_app_country] => US [patent_app_date] => 2018-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11271 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16137043 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/137043
COMPRESSOR Sep 19, 2018 Abandoned
Array ( [id] => 16614437 [patent_doc_number] => 20210033090 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => CYLINDRICAL SYMMETRIC VOLUMETRIC MACHINE [patent_app_type] => utility [patent_app_number] => 16/635810 [patent_app_country] => US [patent_app_date] => 2018-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2346 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16635810 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/635810
Cylindrical symmetric volumetric machine with an inlet ventilator Sep 10, 2018 Issued
Array ( [id] => 16254316 [patent_doc_number] => 20200263690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-20 [patent_title] => SINGLE VANE ROTARY VACUUM PUMP WITH OIL SUPPLY PASSAGE CHANNEL [patent_app_type] => utility [patent_app_number] => 16/645481 [patent_app_country] => US [patent_app_date] => 2018-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2894 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16645481 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/645481
SINGLE VANE ROTARY VACUUM PUMP WITH OIL SUPPLY PASSAGE CHANNEL Sep 6, 2018 Abandoned
Array ( [id] => 18526770 [patent_doc_number] => 11713759 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => Vane compressor with an improved lubrication system [patent_app_type] => utility [patent_app_number] => 16/634421 [patent_app_country] => US [patent_app_date] => 2018-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 2563 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16634421 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/634421
Vane compressor with an improved lubrication system Jul 26, 2018 Issued
Array ( [id] => 17251751 [patent_doc_number] => 11187228 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-30 [patent_title] => Liquid pumping device with concave caves and convex liquid extruding component [patent_app_type] => utility [patent_app_number] => 16/632882 [patent_app_country] => US [patent_app_date] => 2018-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 4359 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16632882 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/632882
Liquid pumping device with concave caves and convex liquid extruding component Jul 24, 2018 Issued
Array ( [id] => 17000031 [patent_doc_number] => 11078833 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-03 [patent_title] => Rotary internal combustion motor with spark plugs and pre-heating spark plugs [patent_app_type] => utility [patent_app_number] => 16/633486 [patent_app_country] => US [patent_app_date] => 2018-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2697 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 444 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16633486 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/633486
Rotary internal combustion motor with spark plugs and pre-heating spark plugs Jul 17, 2018 Issued
Array ( [id] => 13538089 [patent_doc_number] => 20180320591 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-08 [patent_title] => COMBINED TWO ENGINE CYCLE WITH AT LEAST ONE RECUPERATED CYCLE ENGINE FOR ROTOR DRIVE [patent_app_type] => utility [patent_app_number] => 16/030893 [patent_app_country] => US [patent_app_date] => 2018-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2569 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16030893 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/030893
Combined two engine cycle with at least one recuperated cycle engine for rotor drive Jul 9, 2018 Issued
Array ( [id] => 17635560 [patent_doc_number] => 11346278 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-31 [patent_title] => Six-stroke rotary-vane internal combustion engine with hermetically sealed working space [patent_app_type] => utility [patent_app_number] => 16/607506 [patent_app_country] => US [patent_app_date] => 2018-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1888 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16607506 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/607506
Six-stroke rotary-vane internal combustion engine with hermetically sealed working space Jun 27, 2018 Issued
Array ( [id] => 13735255 [patent_doc_number] => 20180372095 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => WATER PUMP [patent_app_type] => utility [patent_app_number] => 16/019463 [patent_app_country] => US [patent_app_date] => 2018-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3701 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16019463 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/019463
WATER PUMP Jun 25, 2018 Abandoned
Array ( [id] => 14020197 [patent_doc_number] => 20190072092 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-07 [patent_title] => SCROLL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 16/013104 [patent_app_country] => US [patent_app_date] => 2018-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9290 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16013104 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/013104
Scroll compressor with improved scroll curves Jun 19, 2018 Issued
Array ( [id] => 15801815 [patent_doc_number] => 20200124050 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => TWIN-SHAFT PUMPS [patent_app_type] => utility [patent_app_number] => 16/624544 [patent_app_country] => US [patent_app_date] => 2018-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5048 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16624544 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/624544
Twin-shaft pumps with thermal breaks Jun 14, 2018 Issued
Array ( [id] => 16215664 [patent_doc_number] => 10731465 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-04 [patent_title] => Rotor and vane with insert [patent_app_type] => utility [patent_app_number] => 16/008083 [patent_app_country] => US [patent_app_date] => 2018-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1772 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [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] => 16008083 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/008083
Rotor and vane with insert Jun 13, 2018 Issued
Array ( [id] => 17588342 [patent_doc_number] => 11326603 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-10 [patent_title] => Two-stage compressor with a gas storage chamber between stages and air conditioner having same [patent_app_type] => utility [patent_app_number] => 16/633577 [patent_app_country] => US [patent_app_date] => 2018-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3711 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16633577 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/633577
Two-stage compressor with a gas storage chamber between stages and air conditioner having same Jun 11, 2018 Issued
Array ( [id] => 16284355 [patent_doc_number] => 20200277957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-03 [patent_title] => MULTI-STAGE COMPRESSOR AND AIR CONDITIONER HAVING THE SAME [patent_app_type] => utility [patent_app_number] => 16/633579 [patent_app_country] => US [patent_app_date] => 2018-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4800 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16633579 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/633579
Multi-stage compressor and air conditioner having a linkage between the vanes of the different stages Jun 11, 2018 Issued
Array ( [id] => 16697384 [patent_doc_number] => 10947970 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => Modular system for producing a screw spindle pump [patent_app_type] => utility [patent_app_number] => 15/997969 [patent_app_country] => US [patent_app_date] => 2018-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5030 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15997969 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/997969
Modular system for producing a screw spindle pump Jun 4, 2018 Issued
16/000811 APPARATUS AND METHOD FOR ACTIVE VEHICLE SUSPENSION Jun 4, 2018
Array ( [id] => 16353683 [patent_doc_number] => 10794187 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-06 [patent_title] => Rotary compressor with a valve in the vane [patent_app_type] => utility [patent_app_number] => 15/992314 [patent_app_country] => US [patent_app_date] => 2018-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 5314 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15992314 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/992314
Rotary compressor with a valve in the vane May 29, 2018 Issued
Array ( [id] => 13608639 [patent_doc_number] => 20180355869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-13 [patent_title] => SCROLL COMPRESSOR PROVIDED WITH A FLUID DEFLECTING AND DIVIDING DEVICE [patent_app_type] => utility [patent_app_number] => 15/992323 [patent_app_country] => US [patent_app_date] => 2018-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4712 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15992323 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/992323
SCROLL COMPRESSOR PROVIDED WITH A FLUID DEFLECTING AND DIVIDING DEVICE May 29, 2018 Abandoned
Array ( [id] => 13577971 [patent_doc_number] => 20180340534 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-29 [patent_title] => ROTARY COMPRESSOR [patent_app_type] => utility [patent_app_number] => 15/986114 [patent_app_country] => US [patent_app_date] => 2018-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8422 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15986114 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/986114
Rotary compressor with specific suction geometry May 21, 2018 Issued
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