
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |