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
06/269096 GATE VALVE Jun 1, 1981 Abandoned
Array ( [id] => 2001289 [patent_doc_number] => 04397335 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-09 [patent_title] => 'Rotary valve especially useful in a medical system including a flow-directed venous catheter' [patent_app_type] => 1 [patent_app_number] => 6/267335 [patent_app_country] => US [patent_app_date] => 1981-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 31 [patent_no_of_words] => 8614 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/397/04397335.pdf [firstpage_image] =>[orig_patent_app_number] => 267335 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/267335
Rotary valve especially useful in a medical system including a flow-directed venous catheter May 25, 1981 Issued
Array ( [id] => 2029607 [patent_doc_number] => 04366947 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-01-04 [patent_title] => 'Calibrated gas-metering apparatus' [patent_app_type] => 1 [patent_app_number] => 6/265625 [patent_app_country] => US [patent_app_date] => 1981-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2253 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/366/04366947.pdf [firstpage_image] =>[orig_patent_app_number] => 265625 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/265625
Calibrated gas-metering apparatus May 19, 1981 Issued
Array ( [id] => 2039854 [patent_doc_number] => 04403765 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-09-13 [patent_title] => 'Magnetic flux-shifting fluid valve' [patent_app_type] => 1 [patent_app_number] => 6/264365 [patent_app_country] => US [patent_app_date] => 1981-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3772 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/403/04403765.pdf [firstpage_image] =>[orig_patent_app_number] => 264365 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/264365
Magnetic flux-shifting fluid valve May 17, 1981 Issued
Array ( [id] => 2012606 [patent_doc_number] => 04402344 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-09-06 [patent_title] => 'Adjusting device for controlling a flowthrough cross section' [patent_app_type] => 1 [patent_app_number] => 6/264247 [patent_app_country] => US [patent_app_date] => 1981-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1296 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/402/04402344.pdf [firstpage_image] =>[orig_patent_app_number] => 264247 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/264247
Adjusting device for controlling a flowthrough cross section May 17, 1981 Issued
Array ( [id] => 2000819 [patent_doc_number] => 04411406 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-10-25 [patent_title] => 'Electromagnetic flow control valve assembly' [patent_app_type] => 1 [patent_app_number] => 6/264386 [patent_app_country] => US [patent_app_date] => 1981-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1879 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/411/04411406.pdf [firstpage_image] =>[orig_patent_app_number] => 264386 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/264386
Electromagnetic flow control valve assembly May 17, 1981 Issued
Array ( [id] => 2005228 [patent_doc_number] => 04391430 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-07-05 [patent_title] => 'Hydraulic servo control spool valve' [patent_app_type] => 1 [patent_app_number] => 6/264146 [patent_app_country] => US [patent_app_date] => 1981-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 2601 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/391/04391430.pdf [firstpage_image] =>[orig_patent_app_number] => 264146 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/264146
Hydraulic servo control spool valve May 14, 1981 Issued
Array ( [id] => 2098266 [patent_doc_number] => 04441687 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-04-10 [patent_title] => 'O-ring solenoid valve' [patent_app_type] => 1 [patent_app_number] => 6/264058 [patent_app_country] => US [patent_app_date] => 1981-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2813 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 361 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/441/04441687.pdf [firstpage_image] =>[orig_patent_app_number] => 264058 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/264058
O-ring solenoid valve May 14, 1981 Issued
Array ( [id] => 2032713 [patent_doc_number] => 04413646 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-11-08 [patent_title] => 'Streamline coal slurry letdown valve' [patent_app_type] => 1 [patent_app_number] => 6/263750 [patent_app_country] => US [patent_app_date] => 1981-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1740 [patent_no_of_claims] => 9 [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] => patents/04/413/04413646.pdf [firstpage_image] =>[orig_patent_app_number] => 263750 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/263750
Streamline coal slurry letdown valve May 13, 1981 Issued
Array ( [id] => 2004049 [patent_doc_number] => 04391296 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-07-05 [patent_title] => 'By-pass pilot operated hydraulic check valve' [patent_app_type] => 1 [patent_app_number] => 6/261458 [patent_app_country] => US [patent_app_date] => 1981-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2895 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/391/04391296.pdf [firstpage_image] =>[orig_patent_app_number] => 261458 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/261458
By-pass pilot operated hydraulic check valve May 6, 1981 Issued
Array ( [id] => 2024863 [patent_doc_number] => 04376523 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-03-15 [patent_title] => 'Header and valving assembly' [patent_app_type] => 1 [patent_app_number] => 6/259086 [patent_app_country] => US [patent_app_date] => 1981-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1373 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/376/04376523.pdf [firstpage_image] =>[orig_patent_app_number] => 259086 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/259086
Header and valving assembly Apr 29, 1981 Issued
Array ( [id] => 2000617 [patent_doc_number] => 04407327 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-10-04 [patent_title] => 'Flow control valve' [patent_app_type] => 1 [patent_app_number] => 6/256876 [patent_app_country] => US [patent_app_date] => 1981-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2113 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/407/04407327.pdf [firstpage_image] =>[orig_patent_app_number] => 256876 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/256876
Flow control valve Apr 23, 1981 Issued
Array ( [id] => 2019211 [patent_doc_number] => 04395019 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-07-26 [patent_title] => 'Seal for wear resistant inserts' [patent_app_type] => 1 [patent_app_number] => 6/257049 [patent_app_country] => US [patent_app_date] => 1981-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 2339 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/395/04395019.pdf [firstpage_image] =>[orig_patent_app_number] => 257049 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/257049
Seal for wear resistant inserts Apr 23, 1981 Issued
Array ( [id] => 2046689 [patent_doc_number] => 04390036 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-06-28 [patent_title] => 'Rolling diaphragm vacuum control' [patent_app_type] => 1 [patent_app_number] => 6/251470 [patent_app_country] => US [patent_app_date] => 1981-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3048 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/390/04390036.pdf [firstpage_image] =>[orig_patent_app_number] => 251470 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/251470
Rolling diaphragm vacuum control Apr 5, 1981 Issued
Array ( [id] => 2122309 [patent_doc_number] => 04431028 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-02-14 [patent_title] => 'Multiple orifice valve with low volume flow control' [patent_app_type] => 1 [patent_app_number] => 6/251394 [patent_app_country] => US [patent_app_date] => 1981-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 7 [patent_no_of_words] => 2590 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/431/04431028.pdf [firstpage_image] =>[orig_patent_app_number] => 251394 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/251394
Multiple orifice valve with low volume flow control Apr 5, 1981 Issued
Array ( [id] => 2019184 [patent_doc_number] => 04395016 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-07-26 [patent_title] => 'Axial flow regulator improvements including restrictor' [patent_app_type] => 1 [patent_app_number] => 6/251206 [patent_app_country] => US [patent_app_date] => 1981-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2771 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/395/04395016.pdf [firstpage_image] =>[orig_patent_app_number] => 251206 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/251206
Axial flow regulator improvements including restrictor Apr 5, 1981 Issued
Array ( [id] => 2000422 [patent_doc_number] => 04420936 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-12-20 [patent_title] => 'Drive control circuit for dental treatment table' [patent_app_type] => 1 [patent_app_number] => 6/249385 [patent_app_country] => US [patent_app_date] => 1981-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2751 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/420/04420936.pdf [firstpage_image] =>[orig_patent_app_number] => 249385 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/249385
Drive control circuit for dental treatment table Mar 30, 1981 Issued
Array ( [id] => 2003614 [patent_doc_number] => 04421292 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-12-20 [patent_title] => 'Air-operated oil pressure control valve' [patent_app_type] => 1 [patent_app_number] => 6/249387 [patent_app_country] => US [patent_app_date] => 1981-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1818 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/421/04421292.pdf [firstpage_image] =>[orig_patent_app_number] => 249387 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/249387
Air-operated oil pressure control valve Mar 30, 1981 Issued
Array ( [id] => 2037323 [patent_doc_number] => 04385746 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-05-31 [patent_title] => 'Four-way plug valve' [patent_app_type] => 1 [patent_app_number] => 6/248313 [patent_app_country] => US [patent_app_date] => 1981-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 12869 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/385/04385746.pdf [firstpage_image] =>[orig_patent_app_number] => 248313 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/248313
Four-way plug valve Mar 26, 1981 Issued
Array ( [id] => 2013823 [patent_doc_number] => 04371146 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-02-01 [patent_title] => 'Ball valve' [patent_app_type] => 1 [patent_app_number] => 6/247396 [patent_app_country] => US [patent_app_date] => 1981-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2019 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/371/04371146.pdf [firstpage_image] =>[orig_patent_app_number] => 247396 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/247396
Ball valve Mar 24, 1981 Issued
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