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] => 15087933 [patent_doc_number] => 20190338777 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-07 [patent_title] => Screw Compressor for a Utility Vehicle [patent_app_type] => utility [patent_app_number] => 16/333560 [patent_app_country] => US [patent_app_date] => 2017-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2699 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 16333560 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/333560
Screw Compressor for a Utility Vehicle Sep 18, 2017 Abandoned
Array ( [id] => 17498240 [patent_doc_number] => 11286938 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-29 [patent_title] => Oil separator and relief valve of a screw compressor for a utility vehicle [patent_app_type] => utility [patent_app_number] => 16/333526 [patent_app_country] => US [patent_app_date] => 2017-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2939 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16333526 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/333526
Oil separator and relief valve of a screw compressor for a utility vehicle Sep 18, 2017 Issued
Array ( [id] => 14964537 [patent_doc_number] => 20190309747 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-10 [patent_title] => Screw Compressor for a Utility Vehicle [patent_app_type] => utility [patent_app_number] => 16/333574 [patent_app_country] => US [patent_app_date] => 2017-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2946 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 16333574 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/333574
Screw Compressor for a Utility Vehicle Sep 18, 2017 Abandoned
Array ( [id] => 12119520 [patent_doc_number] => 20180003106 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-04 [patent_title] => 'Pivoting Piston Machine' [patent_app_type] => utility [patent_app_number] => 15/702365 [patent_app_country] => US [patent_app_date] => 2017-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 9152 [patent_no_of_claims] => 16 [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] => 15702365 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/702365
Pivoting Piston Machine Sep 11, 2017 Abandoned
Array ( [id] => 14502833 [patent_doc_number] => 20190195071 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => ROTARY PISTON AND CYLINDER DEVICE [patent_app_type] => utility [patent_app_number] => 16/329806 [patent_app_country] => US [patent_app_date] => 2017-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5815 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16329806 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/329806
Rotary piston and cylinder with the rotor including a formation and bearing arrangement Aug 31, 2017 Issued
Array ( [id] => 16344481 [patent_doc_number] => 20200309131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => SCROLL FLUID MACHINE AND TIP SEAL [patent_app_type] => utility [patent_app_number] => 16/311087 [patent_app_country] => US [patent_app_date] => 2017-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6118 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16311087 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/311087
Scroll fluid machine and tip seal Aug 24, 2017 Issued
Array ( [id] => 17527446 [patent_doc_number] => 11300123 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-12 [patent_title] => Screw vacuum pump without internal cooling [patent_app_type] => utility [patent_app_number] => 16/325347 [patent_app_country] => US [patent_app_date] => 2017-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 4220 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16325347 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/325347
Screw vacuum pump without internal cooling Aug 13, 2017 Issued
Array ( [id] => 12240501 [patent_doc_number] => 20180073364 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-15 [patent_title] => 'Prime Mover Assemblies and Methods' [patent_app_type] => utility [patent_app_number] => 15/669625 [patent_app_country] => US [patent_app_date] => 2017-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 1792 [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] => 15669625 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/669625
Prime mover assembly having fixed center member between rotating members Aug 3, 2017 Issued
Array ( [id] => 16506971 [patent_doc_number] => 20200386227 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-10 [patent_title] => CO-ROTATING SCROLL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 16/321668 [patent_app_country] => US [patent_app_date] => 2017-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19924 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16321668 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/321668
CO-ROTATING SCROLL COMPRESSOR Jul 31, 2017 Abandoned
Array ( [id] => 17259416 [patent_doc_number] => 20210372401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => A SCREW COMPRESSOR WITH MALE AND FEMALE ROTORS [patent_app_type] => utility [patent_app_number] => 16/322448 [patent_app_country] => US [patent_app_date] => 2017-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5013 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16322448 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/322448
Screw compressor with male and female rotors Jul 31, 2017 Issued
Array ( [id] => 16261933 [patent_doc_number] => 10753359 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-25 [patent_title] => Scroll compressor shaft [patent_app_type] => utility [patent_app_number] => 15/664961 [patent_app_country] => US [patent_app_date] => 2017-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5292 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 344 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15664961 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/664961
Scroll compressor shaft Jul 30, 2017 Issued
Array ( [id] => 12152305 [patent_doc_number] => 20180023569 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-25 [patent_title] => 'SCALLOP STEP FOR A SCROLL COMPRESSOR' [patent_app_type] => utility [patent_app_number] => 15/654027 [patent_app_country] => US [patent_app_date] => 2017-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5931 [patent_no_of_claims] => 19 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15654027 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/654027
Scallop step for a scroll compressor Jul 18, 2017 Issued
Array ( [id] => 16029671 [patent_doc_number] => 10677246 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-09 [patent_title] => Variable volume ratio compressor [patent_app_type] => utility [patent_app_number] => 15/649556 [patent_app_country] => US [patent_app_date] => 2017-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 4922 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15649556 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/649556
Variable volume ratio compressor Jul 12, 2017 Issued
Array ( [id] => 15103323 [patent_doc_number] => 10472967 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-12 [patent_title] => Oldham coupling for a scroll compressor [patent_app_type] => utility [patent_app_number] => 15/647343 [patent_app_country] => US [patent_app_date] => 2017-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 4964 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15647343 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/647343
Oldham coupling for a scroll compressor Jul 11, 2017 Issued
Array ( [id] => 16682299 [patent_doc_number] => 10941769 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-09 [patent_title] => Scroll compressor with back pressure control valve [patent_app_type] => utility [patent_app_number] => 16/323221 [patent_app_country] => US [patent_app_date] => 2017-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 25 [patent_no_of_words] => 10861 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [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] => 16323221 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/323221
Scroll compressor with back pressure control valve Jul 5, 2017 Issued
Array ( [id] => 12024455 [patent_doc_number] => 20170314554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-02 [patent_title] => 'Non-Reciprocating Hydraulic Piston Pump' [patent_app_type] => utility [patent_app_number] => 15/640892 [patent_app_country] => US [patent_app_date] => 2017-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3867 [patent_no_of_claims] => 6 [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] => 15640892 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/640892
Non-Reciprocating Hydraulic Piston Pump Jul 2, 2017 Abandoned
Array ( [id] => 12119590 [patent_doc_number] => 20180003176 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-04 [patent_title] => 'VANE CELL PUMP WITH A SUB-VANE REGION TO WHICH PRESSURE CAN BE APPLIED' [patent_app_type] => utility [patent_app_number] => 15/635445 [patent_app_country] => US [patent_app_date] => 2017-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 16042 [patent_no_of_claims] => 17 [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] => 15635445 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/635445
Vane cell pump with a sub-vane region to which pressure can be applied Jun 27, 2017 Issued
Array ( [id] => 15817929 [patent_doc_number] => 10634135 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-28 [patent_title] => Reduction of cavitation in gear pumps [patent_app_type] => utility [patent_app_number] => 15/631973 [patent_app_country] => US [patent_app_date] => 2017-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 6815 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15631973 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/631973
Reduction of cavitation in gear pumps Jun 22, 2017 Issued
Array ( [id] => 15384753 [patent_doc_number] => 10533550 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-14 [patent_title] => Electric oil pump, in particular for a motor vehicle [patent_app_type] => utility [patent_app_number] => 15/626829 [patent_app_country] => US [patent_app_date] => 2017-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3724 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15626829 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/626829
Electric oil pump, in particular for a motor vehicle Jun 18, 2017 Issued
Array ( [id] => 14898609 [patent_doc_number] => 20190293070 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => SCROLL COMPRESSOR WITH PARTIAL LOAD CAPACITY [patent_app_type] => utility [patent_app_number] => 16/306819 [patent_app_country] => US [patent_app_date] => 2017-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5086 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16306819 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/306819
Scroll compressor with partial load capacity Jun 1, 2017 Issued
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