Search

David Lam

Examiner (ID: 17065, Phone: (571)272-1782 , Office: P/2825 )

Most Active Art Unit
2827
Art Unit(s)
2818, 2827, 2825
Total Applications
2102
Issued Applications
2016
Pending Applications
28
Abandoned Applications
60

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2666345 [patent_doc_number] => 05026468 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-25 [patent_title] => 'Dual bed cathodic protection system with automatic controls' [patent_app_type] => 1 [patent_app_number] => 7/354835 [patent_app_country] => US [patent_app_date] => 1989-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 6201 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/026/05026468.pdf [firstpage_image] =>[orig_patent_app_number] => 354835 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/354835
Dual bed cathodic protection system with automatic controls May 21, 1989 Issued
07/352266 PROCESS FOR REHABILITATING INTERNALLY REINFORCED CONCRETE BY REMOVAL OF CHLORIDES May 15, 1989 Abandoned
Array ( [id] => 2762585 [patent_doc_number] => 05035778 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-30 [patent_title] => 'Regeneration of spent ferric chloride etchants' [patent_app_type] => 1 [patent_app_number] => 7/350971 [patent_app_country] => US [patent_app_date] => 1989-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3973 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/035/05035778.pdf [firstpage_image] =>[orig_patent_app_number] => 350971 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/350971
Regeneration of spent ferric chloride etchants May 11, 1989 Issued
Array ( [id] => 2746166 [patent_doc_number] => 05071537 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-10 [patent_title] => 'Reference electrode' [patent_app_type] => 1 [patent_app_number] => 7/298744 [patent_app_country] => US [patent_app_date] => 1989-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 5418 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/071/05071537.pdf [firstpage_image] =>[orig_patent_app_number] => 298744 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/298744
Reference electrode May 7, 1989 Issued
Array ( [id] => 2899650 [patent_doc_number] => 05215643 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-01 [patent_title] => 'Electrochemical gas sensor' [patent_app_type] => 1 [patent_app_number] => 7/364437 [patent_app_country] => US [patent_app_date] => 1989-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 107 [patent_no_of_words] => 14908 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/215/05215643.pdf [firstpage_image] =>[orig_patent_app_number] => 364437 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/364437
Electrochemical gas sensor Apr 27, 1989 Issued
Array ( [id] => 2839581 [patent_doc_number] => 05106482 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-21 [patent_title] => 'High speed oxygen sensor' [patent_app_type] => 1 [patent_app_number] => 7/342116 [patent_app_country] => US [patent_app_date] => 1989-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3112 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/106/05106482.pdf [firstpage_image] =>[orig_patent_app_number] => 342116 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/342116
High speed oxygen sensor Apr 23, 1989 Issued
Array ( [id] => 2776617 [patent_doc_number] => 05087334 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-11 [patent_title] => 'Continuous process for the manufacture of potassium chlorate by coupling with a sodium chlorate production plant' [patent_app_type] => 1 [patent_app_number] => 7/340090 [patent_app_country] => US [patent_app_date] => 1989-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2495 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/087/05087334.pdf [firstpage_image] =>[orig_patent_app_number] => 340090 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/340090
Continuous process for the manufacture of potassium chlorate by coupling with a sodium chlorate production plant Apr 17, 1989 Issued
Array ( [id] => 2946920 [patent_doc_number] => 05221445 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-22 [patent_title] => 'Method for determining identification and concentration of an atmospheric component' [patent_app_type] => 1 [patent_app_number] => 7/339458 [patent_app_country] => US [patent_app_date] => 1989-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 2655 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/221/05221445.pdf [firstpage_image] =>[orig_patent_app_number] => 339458 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/339458
Method for determining identification and concentration of an atmospheric component Apr 16, 1989 Issued
Array ( [id] => 2559468 [patent_doc_number] => 04944861 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-31 [patent_title] => 'Oxygen sensing probe having improved sensor tip and tip-supporting tube' [patent_app_type] => 1 [patent_app_number] => 7/332052 [patent_app_country] => US [patent_app_date] => 1989-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2850 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/944/04944861.pdf [firstpage_image] =>[orig_patent_app_number] => 332052 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/332052
Oxygen sensing probe having improved sensor tip and tip-supporting tube Apr 2, 1989 Issued
Array ( [id] => 2639829 [patent_doc_number] => 04980044 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-25 [patent_title] => 'Oxygen sensor having a flat plate element and heater' [patent_app_type] => 1 [patent_app_number] => 7/331482 [patent_app_country] => US [patent_app_date] => 1989-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3440 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/980/04980044.pdf [firstpage_image] =>[orig_patent_app_number] => 331482 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/331482
Oxygen sensor having a flat plate element and heater Mar 30, 1989 Issued
07/330524 OXYGEN SENSOR WITH HIGHER RESISTANCE TO REPEATED THERMAL-SHOCKS AND SHORTER WARM-UP TIME Mar 29, 1989 Abandoned
Array ( [id] => 2602858 [patent_doc_number] => 04902402 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-20 [patent_title] => 'Chloride containing solid electrolyte gas sensing apparatus' [patent_app_type] => 1 [patent_app_number] => 7/330548 [patent_app_country] => US [patent_app_date] => 1989-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2193 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/902/04902402.pdf [firstpage_image] =>[orig_patent_app_number] => 330548 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/330548
Chloride containing solid electrolyte gas sensing apparatus Mar 29, 1989 Issued
07/326361 CORROSION CONTROL OF DIS-SIMILAR METALS Mar 20, 1989 Abandoned
Array ( [id] => 2693610 [patent_doc_number] => 04988418 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-29 [patent_title] => 'Method of electrically measuring the concentration of acids' [patent_app_type] => 1 [patent_app_number] => 7/323534 [patent_app_country] => US [patent_app_date] => 1989-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 5544 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/988/04988418.pdf [firstpage_image] =>[orig_patent_app_number] => 323534 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/323534
Method of electrically measuring the concentration of acids Mar 13, 1989 Issued
Array ( [id] => 2618962 [patent_doc_number] => 04956062 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-11 [patent_title] => 'Method for concentration determination of lithium ions' [patent_app_type] => 1 [patent_app_number] => 7/324040 [patent_app_country] => US [patent_app_date] => 1989-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3173 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/956/04956062.pdf [firstpage_image] =>[orig_patent_app_number] => 324040 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/324040
Method for concentration determination of lithium ions Mar 13, 1989 Issued
Array ( [id] => 2839922 [patent_doc_number] => 05110442 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-05 [patent_title] => 'Reinforced electrolyte function elements' [patent_app_type] => 1 [patent_app_number] => 7/319043 [patent_app_country] => US [patent_app_date] => 1989-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 8800 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/110/05110442.pdf [firstpage_image] =>[orig_patent_app_number] => 319043 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/319043
Reinforced electrolyte function elements Mar 5, 1989 Issued
07/317302 EXPANDABLE COIL CATHODIC PROTECTION ANODE Feb 27, 1989 Abandoned
Array ( [id] => 2657267 [patent_doc_number] => 04946570 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-07 [patent_title] => 'Ceramic coated strip anode for cathodic protection' [patent_app_type] => 1 [patent_app_number] => 7/316703 [patent_app_country] => US [patent_app_date] => 1989-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 4266 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/946/04946570.pdf [firstpage_image] =>[orig_patent_app_number] => 316703 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/316703
Ceramic coated strip anode for cathodic protection Feb 27, 1989 Issued
Array ( [id] => 2663837 [patent_doc_number] => 04954238 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-04 [patent_title] => 'Moisture-sensing hygrometer element' [patent_app_type] => 1 [patent_app_number] => 7/314642 [patent_app_country] => US [patent_app_date] => 1989-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4033 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/954/04954238.pdf [firstpage_image] =>[orig_patent_app_number] => 314642 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/314642
Moisture-sensing hygrometer element Feb 22, 1989 Issued
Array ( [id] => 2760452 [patent_doc_number] => 05006221 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-09 [patent_title] => 'Oxygen concentration-detecting apparatus' [patent_app_type] => 1 [patent_app_number] => 7/313890 [patent_app_country] => US [patent_app_date] => 1989-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 4519 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/006/05006221.pdf [firstpage_image] =>[orig_patent_app_number] => 313890 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/313890
Oxygen concentration-detecting apparatus Feb 22, 1989 Issued
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