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] => 2688903 [patent_doc_number] => 04990235 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-05 [patent_title] => 'Oxygen sensor' [patent_app_type] => 1 [patent_app_number] => 7/477734 [patent_app_country] => US [patent_app_date] => 1990-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 5553 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 300 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/990/04990235.pdf [firstpage_image] =>[orig_patent_app_number] => 477734 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/477734
Oxygen sensor Feb 8, 1990 Issued
Array ( [id] => 2760325 [patent_doc_number] => 05006214 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-09 [patent_title] => 'Cathodic protection apparatus' [patent_app_type] => 1 [patent_app_number] => 7/475327 [patent_app_country] => US [patent_app_date] => 1990-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1803 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/006/05006214.pdf [firstpage_image] =>[orig_patent_app_number] => 475327 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/475327
Cathodic protection apparatus Feb 4, 1990 Issued
07/458727 ANODE FOR CATHODIC PROTECTION AGAINST CORROSION Feb 1, 1990 Abandoned
Array ( [id] => 2688831 [patent_doc_number] => 04990231 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-05 [patent_title] => 'Corrosion protection system' [patent_app_type] => 1 [patent_app_number] => 7/476105 [patent_app_country] => US [patent_app_date] => 1990-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 5139 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/990/04990231.pdf [firstpage_image] =>[orig_patent_app_number] => 476105 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/476105
Corrosion protection system Jan 25, 1990 Issued
Array ( [id] => 2890414 [patent_doc_number] => 05183549 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-02 [patent_title] => 'Multi-analyte sensing electrolytic cell' [patent_app_type] => 1 [patent_app_number] => 7/470954 [patent_app_country] => US [patent_app_date] => 1990-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3431 [patent_no_of_claims] => 20 [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/05/183/05183549.pdf [firstpage_image] =>[orig_patent_app_number] => 470954 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/470954
Multi-analyte sensing electrolytic cell Jan 25, 1990 Issued
Array ( [id] => 2688166 [patent_doc_number] => 05019238 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-28 [patent_title] => 'Means for quantitative determination of analyte in liquids' [patent_app_type] => 1 [patent_app_number] => 7/477172 [patent_app_country] => US [patent_app_date] => 1990-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 12 [patent_no_of_words] => 5514 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/019/05019238.pdf [firstpage_image] =>[orig_patent_app_number] => 477172 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/477172
Means for quantitative determination of analyte in liquids Jan 24, 1990 Issued
Array ( [id] => 2738717 [patent_doc_number] => 05002644 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-26 [patent_title] => 'Method for monitoring sulfates and chlorides at low concentration' [patent_app_type] => 1 [patent_app_number] => 7/469980 [patent_app_country] => US [patent_app_date] => 1990-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1933 [patent_no_of_claims] => 43 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/002/05002644.pdf [firstpage_image] =>[orig_patent_app_number] => 469980 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/469980
Method for monitoring sulfates and chlorides at low concentration Jan 24, 1990 Issued
Array ( [id] => 2779499 [patent_doc_number] => 05130009 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-14 [patent_title] => 'Sensor device' [patent_app_type] => 1 [patent_app_number] => 7/469214 [patent_app_country] => US [patent_app_date] => 1990-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2033 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/130/05130009.pdf [firstpage_image] =>[orig_patent_app_number] => 469214 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/469214
Sensor device Jan 23, 1990 Issued
Array ( [id] => 2797977 [patent_doc_number] => 05145566 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-08 [patent_title] => 'Method for determining relative amount of oxygen containing gas in a gas mixture' [patent_app_type] => 1 [patent_app_number] => 7/465592 [patent_app_country] => US [patent_app_date] => 1990-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 13 [patent_no_of_words] => 8515 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/145/05145566.pdf [firstpage_image] =>[orig_patent_app_number] => 465592 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/465592
Method for determining relative amount of oxygen containing gas in a gas mixture Jan 17, 1990 Issued
Array ( [id] => 2767785 [patent_doc_number] => 05131999 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-21 [patent_title] => 'Voltammetric detector for flow analysis' [patent_app_type] => 1 [patent_app_number] => 7/465060 [patent_app_country] => US [patent_app_date] => 1990-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 5396 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/131/05131999.pdf [firstpage_image] =>[orig_patent_app_number] => 465060 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/465060
Voltammetric detector for flow analysis Jan 15, 1990 Issued
07/462027 METHOD AND APPARATUS FOR PROVIDING CATHODIC PROTECTION TO UNDERGROUNG METALLIC STRUCTURES USING GALVANIC ANODES Jan 7, 1990 Abandoned
Array ( [id] => 2887261 [patent_doc_number] => 05176807 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-05 [patent_title] => 'Expandable coil cathodic protection anode' [patent_app_type] => 1 [patent_app_number] => 7/462935 [patent_app_country] => US [patent_app_date] => 1990-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3387 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/176/05176807.pdf [firstpage_image] =>[orig_patent_app_number] => 462935 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/462935
Expandable coil cathodic protection anode Jan 2, 1990 Issued
07/456075 ELECTROCHEMICAL BIOSENSOR Dec 19, 1989 Abandoned
Array ( [id] => 2810833 [patent_doc_number] => 05080765 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-14 [patent_title] => 'Method for determining identification and concentration of an atmospheric component' [patent_app_type] => 1 [patent_app_number] => 7/453566 [patent_app_country] => US [patent_app_date] => 1989-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 5280 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/080/05080765.pdf [firstpage_image] =>[orig_patent_app_number] => 453566 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/453566
Method for determining identification and concentration of an atmospheric component Dec 19, 1989 Issued
Array ( [id] => 2761944 [patent_doc_number] => 05062934 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-05 [patent_title] => 'Method and apparatus for cathodic protection' [patent_app_type] => 1 [patent_app_number] => 7/452561 [patent_app_country] => US [patent_app_date] => 1989-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2831 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/062/05062934.pdf [firstpage_image] =>[orig_patent_app_number] => 452561 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/452561
Method and apparatus for cathodic protection Dec 17, 1989 Issued
07/450852 METHOD FOR INCREASING THE SERVICE LIFE OF AN IMPLANTABLE SENSOR Dec 13, 1989 Abandoned
07/448116 TEST APPARATUS FOR MEASURING CONCENTRATION OF TEST SUBSTANCE IN LIQUID Dec 12, 1989 Abandoned
Array ( [id] => 2664478 [patent_doc_number] => 05034107 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-23 [patent_title] => 'Method for sensing nitrous oxide' [patent_app_type] => 1 [patent_app_number] => 7/449640 [patent_app_country] => US [patent_app_date] => 1989-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1791 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/034/05034107.pdf [firstpage_image] =>[orig_patent_app_number] => 449640 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/449640
Method for sensing nitrous oxide Dec 11, 1989 Issued
Array ( [id] => 2627201 [patent_doc_number] => 04957616 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-18 [patent_title] => 'Tube sheet with reference electrode' [patent_app_type] => 1 [patent_app_number] => 7/453131 [patent_app_country] => US [patent_app_date] => 1989-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 2313 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/957/04957616.pdf [firstpage_image] =>[orig_patent_app_number] => 453131 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/453131
Tube sheet with reference electrode Dec 11, 1989 Issued
Array ( [id] => 2847305 [patent_doc_number] => 05112456 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-12 [patent_title] => 'Electrochemical sensors and methods for their use' [patent_app_type] => 1 [patent_app_number] => 7/449781 [patent_app_country] => US [patent_app_date] => 1989-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 7228 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/112/05112456.pdf [firstpage_image] =>[orig_patent_app_number] => 449781 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/449781
Electrochemical sensors and methods for their use Dec 11, 1989 Issued
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