Search

Peter Chen

Examiner (ID: 11932, Phone: (571)270-7241 , Office: P/2462 )

Most Active Art Unit
2462
Art Unit(s)
2462
Total Applications
549
Issued Applications
456
Pending Applications
58
Abandoned Applications
58

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2677584 [patent_doc_number] => 04989642 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-05 [patent_title] => 'Throttling valve' [patent_app_type] => 1 [patent_app_number] => 7/459321 [patent_app_country] => US [patent_app_date] => 1989-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2707 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/989/04989642.pdf [firstpage_image] =>[orig_patent_app_number] => 459321 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/459321
Throttling valve Dec 28, 1989 Issued
Array ( [id] => 2581223 [patent_doc_number] => 04964436 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-23 [patent_title] => 'Valve with rotary valving element' [patent_app_type] => 1 [patent_app_number] => 7/458080 [patent_app_country] => US [patent_app_date] => 1989-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2360 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/964/04964436.pdf [firstpage_image] =>[orig_patent_app_number] => 458080 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/458080
Valve with rotary valving element Dec 27, 1989 Issued
Array ( [id] => 2849861 [patent_doc_number] => 05082242 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-21 [patent_title] => 'Electronic microvalve apparatus and fabrication' [patent_app_type] => 1 [patent_app_number] => 7/457452 [patent_app_country] => US [patent_app_date] => 1989-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 3037 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/082/05082242.pdf [firstpage_image] =>[orig_patent_app_number] => 457452 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/457452
Electronic microvalve apparatus and fabrication Dec 26, 1989 Issued
Array ( [id] => 2620762 [patent_doc_number] => 04957274 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-18 [patent_title] => 'Position sensor for a rotary valve' [patent_app_type] => 1 [patent_app_number] => 7/457131 [patent_app_country] => US [patent_app_date] => 1989-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1448 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/957/04957274.pdf [firstpage_image] =>[orig_patent_app_number] => 457131 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/457131
Position sensor for a rotary valve Dec 25, 1989 Issued
Array ( [id] => 2681235 [patent_doc_number] => 04989833 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-05 [patent_title] => 'Method for changing the characteristic curve of a regulation valve under pressure and a regulation valve' [patent_app_type] => 1 [patent_app_number] => 7/454634 [patent_app_country] => US [patent_app_date] => 1989-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2436 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/989/04989833.pdf [firstpage_image] =>[orig_patent_app_number] => 454634 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/454634
Method for changing the characteristic curve of a regulation valve under pressure and a regulation valve Dec 20, 1989 Issued
Array ( [id] => 2690171 [patent_doc_number] => 04991619 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-12 [patent_title] => 'High purity gas delivery control assembly' [patent_app_type] => 1 [patent_app_number] => 7/451183 [patent_app_country] => US [patent_app_date] => 1989-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2270 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 390 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/991/04991619.pdf [firstpage_image] =>[orig_patent_app_number] => 451183 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/451183
High purity gas delivery control assembly Dec 14, 1989 Issued
Array ( [id] => 2617068 [patent_doc_number] => 04976286 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-11 [patent_title] => 'Four-way slide valve' [patent_app_type] => 1 [patent_app_number] => 7/452918 [patent_app_country] => US [patent_app_date] => 1989-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3890 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/976/04976286.pdf [firstpage_image] =>[orig_patent_app_number] => 452918 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/452918
Four-way slide valve Dec 13, 1989 Issued
Array ( [id] => 2687169 [patent_doc_number] => 04988073 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-29 [patent_title] => 'Excitation coil for a fuel injection metering and atomizing valve on an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/449464 [patent_app_country] => US [patent_app_date] => 1989-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1400 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/988/04988073.pdf [firstpage_image] =>[orig_patent_app_number] => 449464 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/449464
Excitation coil for a fuel injection metering and atomizing valve on an internal combustion engine Dec 11, 1989 Issued
07/447218 ELECTROMAGNETICALLY ACTUATED QUICK-ACTION HYDRAULIC SWITCHING VALVE Dec 6, 1989 Abandoned
Array ( [id] => 2729283 [patent_doc_number] => 05014750 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-14 [patent_title] => 'Systems having fixed and variable flow rate control mechanisms' [patent_app_type] => 1 [patent_app_number] => 7/449232 [patent_app_country] => US [patent_app_date] => 1989-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 4339 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/014/05014750.pdf [firstpage_image] =>[orig_patent_app_number] => 449232 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/449232
Systems having fixed and variable flow rate control mechanisms Dec 5, 1989 Issued
Array ( [id] => 2620520 [patent_doc_number] => 04951917 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-28 [patent_title] => 'Dynamic response time for electromagnetic valving' [patent_app_type] => 1 [patent_app_number] => 7/446655 [patent_app_country] => US [patent_app_date] => 1989-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3954 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/951/04951917.pdf [firstpage_image] =>[orig_patent_app_number] => 446655 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/446655
Dynamic response time for electromagnetic valving Dec 5, 1989 Issued
Array ( [id] => 2654912 [patent_doc_number] => 04998561 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-12 [patent_title] => 'Flow control valve' [patent_app_type] => 1 [patent_app_number] => 7/446376 [patent_app_country] => US [patent_app_date] => 1989-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2540 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/998/04998561.pdf [firstpage_image] =>[orig_patent_app_number] => 446376 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/446376
Flow control valve Dec 4, 1989 Issued
Array ( [id] => 2649058 [patent_doc_number] => 04946132 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-07 [patent_title] => 'Magnet armature' [patent_app_type] => 1 [patent_app_number] => 7/442814 [patent_app_country] => US [patent_app_date] => 1989-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2457 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/946/04946132.pdf [firstpage_image] =>[orig_patent_app_number] => 442814 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/442814
Magnet armature Nov 28, 1989 Issued
Array ( [id] => 2578757 [patent_doc_number] => 04969629 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-13 [patent_title] => 'Diaphragm valve' [patent_app_type] => 1 [patent_app_number] => 7/442022 [patent_app_country] => US [patent_app_date] => 1989-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3272 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/969/04969629.pdf [firstpage_image] =>[orig_patent_app_number] => 442022 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/442022
Diaphragm valve Nov 27, 1989 Issued
Array ( [id] => 2620503 [patent_doc_number] => 04951916 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-28 [patent_title] => 'Pressure-balanced electromagnetic valve' [patent_app_type] => 1 [patent_app_number] => 7/439268 [patent_app_country] => US [patent_app_date] => 1989-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3793 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/951/04951916.pdf [firstpage_image] =>[orig_patent_app_number] => 439268 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/439268
Pressure-balanced electromagnetic valve Nov 19, 1989 Issued
Array ( [id] => 2578738 [patent_doc_number] => 04969628 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-13 [patent_title] => 'Valve construction and method of making the same' [patent_app_type] => 1 [patent_app_number] => 7/439599 [patent_app_country] => US [patent_app_date] => 1989-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4272 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/969/04969628.pdf [firstpage_image] =>[orig_patent_app_number] => 439599 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/439599
Valve construction and method of making the same Nov 19, 1989 Issued
Array ( [id] => 2579872 [patent_doc_number] => 04932632 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-12 [patent_title] => 'Electromagnetic valve' [patent_app_type] => 1 [patent_app_number] => 7/433967 [patent_app_country] => US [patent_app_date] => 1989-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1460 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/932/04932632.pdf [firstpage_image] =>[orig_patent_app_number] => 433967 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/433967
Electromagnetic valve Nov 7, 1989 Issued
Array ( [id] => 2613192 [patent_doc_number] => 04966187 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-30 [patent_title] => 'Valve body concerning the bathtub cold/hot water valve' [patent_app_type] => 1 [patent_app_number] => 7/432633 [patent_app_country] => US [patent_app_date] => 1989-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1600 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/966/04966187.pdf [firstpage_image] =>[orig_patent_app_number] => 432633 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/432633
Valve body concerning the bathtub cold/hot water valve Nov 6, 1989 Issued
Array ( [id] => 2682482 [patent_doc_number] => 04995587 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-26 [patent_title] => 'Motion amplifier employing a dual piston arrangement' [patent_app_type] => 1 [patent_app_number] => 7/431272 [patent_app_country] => US [patent_app_date] => 1989-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4286 [patent_no_of_claims] => 15 [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/04/995/04995587.pdf [firstpage_image] =>[orig_patent_app_number] => 431272 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/431272
Motion amplifier employing a dual piston arrangement Nov 2, 1989 Issued
Array ( [id] => 2655696 [patent_doc_number] => 05046701 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-10 [patent_title] => 'Molded ball/seal' [patent_app_type] => 1 [patent_app_number] => 7/431507 [patent_app_country] => US [patent_app_date] => 1989-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2474 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/046/05046701.pdf [firstpage_image] =>[orig_patent_app_number] => 431507 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/431507
Molded ball/seal Nov 2, 1989 Issued
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