Search

Michael D. Pak

Examiner (ID: 5583, Phone: (571)272-0879 , Office: P/1646 )

Most Active Art Unit
1646
Art Unit(s)
1621, 1812, 0, 1674, 1646
Total Applications
1542
Issued Applications
712
Pending Applications
275
Abandoned Applications
568

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2552045 [patent_doc_number] => 04941809 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-17 [patent_title] => 'Valveless positive displacement metering pump' [patent_app_type] => 1 [patent_app_number] => 6/829398 [patent_app_country] => US [patent_app_date] => 1986-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2075 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/941/04941809.pdf [firstpage_image] =>[orig_patent_app_number] => 829398 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/829398
Valveless positive displacement metering pump Feb 12, 1986 Issued
Array ( [id] => 2292713 [patent_doc_number] => 04696626 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-09-29 [patent_title] => 'Railroad car air compressor unit' [patent_app_type] => 1 [patent_app_number] => 6/827848 [patent_app_country] => US [patent_app_date] => 1986-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2869 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/696/04696626.pdf [firstpage_image] =>[orig_patent_app_number] => 827848 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/827848
Railroad car air compressor unit Feb 6, 1986 Issued
06/826426 APPARATUS FOR TRANSMITTING PRESSURE FROM A HYDRAULIC FLUID TO A MATERIAL HAVING SOLID PARTICLES SUSPENDED IN A LIQUID MEDIUM Feb 4, 1986 Abandoned
Array ( [id] => 2304419 [patent_doc_number] => 04674956 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-06-23 [patent_title] => 'Control valve for a pump with variable displacement volume' [patent_app_type] => 1 [patent_app_number] => 6/825209 [patent_app_country] => US [patent_app_date] => 1986-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3571 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 289 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/674/04674956.pdf [firstpage_image] =>[orig_patent_app_number] => 825209 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/825209
Control valve for a pump with variable displacement volume Feb 2, 1986 Issued
Array ( [id] => 2311330 [patent_doc_number] => 04715795 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-12-29 [patent_title] => 'Metering pump' [patent_app_type] => 1 [patent_app_number] => 6/825143 [patent_app_country] => US [patent_app_date] => 1986-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2963 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/715/04715795.pdf [firstpage_image] =>[orig_patent_app_number] => 825143 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/825143
Metering pump Jan 30, 1986 Issued
Array ( [id] => 2359296 [patent_doc_number] => 04682937 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-07-28 [patent_title] => 'Double-acting diaphragm pump and reversing mechanism therefor' [patent_app_type] => 1 [patent_app_number] => 6/823216 [patent_app_country] => US [patent_app_date] => 1986-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 18 [patent_no_of_words] => 7407 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 601 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/682/04682937.pdf [firstpage_image] =>[orig_patent_app_number] => 823216 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/823216
Double-acting diaphragm pump and reversing mechanism therefor Jan 27, 1986 Issued
Array ( [id] => 2335287 [patent_doc_number] => 04661045 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-04-28 [patent_title] => 'Leakage detection in remote supply painting system' [patent_app_type] => 1 [patent_app_number] => 6/821450 [patent_app_country] => US [patent_app_date] => 1986-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 6696 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/661/04661045.pdf [firstpage_image] =>[orig_patent_app_number] => 821450 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/821450
Leakage detection in remote supply painting system Jan 21, 1986 Issued
Array ( [id] => 2704679 [patent_doc_number] => 05052902 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-01 [patent_title] => 'Water-wave-energy converter' [patent_app_type] => 1 [patent_app_number] => 6/820082 [patent_app_country] => US [patent_app_date] => 1986-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 9085 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 2301 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/052/05052902.pdf [firstpage_image] =>[orig_patent_app_number] => 820082 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/820082
Water-wave-energy converter Jan 20, 1986 Issued
Array ( [id] => 2305853 [patent_doc_number] => 04645431 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-02-24 [patent_title] => 'Hydraulic pumping apparatus and method of operation' [patent_app_type] => 1 [patent_app_number] => 6/819476 [patent_app_country] => US [patent_app_date] => 1986-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3230 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/645/04645431.pdf [firstpage_image] =>[orig_patent_app_number] => 819476 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/819476
Hydraulic pumping apparatus and method of operation Jan 15, 1986 Issued
Array ( [id] => 2287089 [patent_doc_number] => 04659294 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-04-21 [patent_title] => 'Hydrualic pressure amplifier' [patent_app_type] => 1 [patent_app_number] => 6/817360 [patent_app_country] => US [patent_app_date] => 1986-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4044 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/659/04659294.pdf [firstpage_image] =>[orig_patent_app_number] => 817360 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/817360
Hydrualic pressure amplifier Jan 8, 1986 Issued
06/817793 PRESSURE SURFACE FOR A PERISTALTIC PUMP Jan 8, 1986 Abandoned
06/817784 ENGINE PRELUBRICATOR AND PRESSURIZED LUBRICANT RESERVOIR Jan 7, 1986 Abandoned
Array ( [id] => 2541236 [patent_doc_number] => 04832581 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-23 [patent_title] => 'Diaphragm pump with circulation flushing' [patent_app_type] => 1 [patent_app_number] => 6/812348 [patent_app_country] => US [patent_app_date] => 1985-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4404 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/832/04832581.pdf [firstpage_image] =>[orig_patent_app_number] => 812348 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/812348
Diaphragm pump with circulation flushing Dec 22, 1985 Issued
Array ( [id] => 2293908 [patent_doc_number] => 04681518 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-07-21 [patent_title] => 'Single-acting, gas operated pump' [patent_app_type] => 1 [patent_app_number] => 6/811863 [patent_app_country] => US [patent_app_date] => 1985-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 4285 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/681/04681518.pdf [firstpage_image] =>[orig_patent_app_number] => 811863 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/811863
Single-acting, gas operated pump Dec 19, 1985 Issued
Array ( [id] => 2297619 [patent_doc_number] => 04673337 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-06-16 [patent_title] => 'Hydraulic radial piston pump intake porting arrangement' [patent_app_type] => 1 [patent_app_number] => 6/802587 [patent_app_country] => US [patent_app_date] => 1985-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1973 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/673/04673337.pdf [firstpage_image] =>[orig_patent_app_number] => 802587 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/802587
Hydraulic radial piston pump intake porting arrangement Nov 26, 1985 Issued
06/799619 GEARBOX AND ROTARY MINERAL CUTTING HEAD Nov 18, 1985 Abandoned
Array ( [id] => 2348429 [patent_doc_number] => 04653989 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-03-31 [patent_title] => 'Oil well pumping mechanism' [patent_app_type] => 1 [patent_app_number] => 6/798867 [patent_app_country] => US [patent_app_date] => 1985-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 5145 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/653/04653989.pdf [firstpage_image] =>[orig_patent_app_number] => 798867 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/798867
Oil well pumping mechanism Nov 17, 1985 Issued
Array ( [id] => 2298566 [patent_doc_number] => 04684332 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-08-04 [patent_title] => 'Ratio pump and method' [patent_app_type] => 1 [patent_app_number] => 6/797620 [patent_app_country] => US [patent_app_date] => 1985-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4019 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/684/04684332.pdf [firstpage_image] =>[orig_patent_app_number] => 797620 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/797620
Ratio pump and method Nov 12, 1985 Issued
Array ( [id] => 2335366 [patent_doc_number] => 04661051 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-04-28 [patent_title] => 'Fuel injection pump with adjustable timing' [patent_app_type] => 1 [patent_app_number] => 6/796442 [patent_app_country] => US [patent_app_date] => 1985-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2555 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/661/04661051.pdf [firstpage_image] =>[orig_patent_app_number] => 796442 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/796442
Fuel injection pump with adjustable timing Nov 7, 1985 Issued
Array ( [id] => 2220569 [patent_doc_number] => 04624628 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-11-25 [patent_title] => 'Double-diaphragm pumps' [patent_app_type] => 1 [patent_app_number] => 6/795665 [patent_app_country] => US [patent_app_date] => 1985-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1654 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/624/04624628.pdf [firstpage_image] =>[orig_patent_app_number] => 795665 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/795665
Double-diaphragm pumps Nov 5, 1985 Issued
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