Search

Kai H. Weng

Examiner (ID: 6747, Phone: (571)272-5852 , Office: P/3761 )

Most Active Art Unit
3781
Art Unit(s)
3781, 3761
Total Applications
636
Issued Applications
443
Pending Applications
76
Abandoned Applications
137

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 12179274 [patent_doc_number] => 20180038209 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-08 [patent_title] => 'Firing Mechanism for a Perforating Gun or Other Downhole Tool' [patent_app_type] => utility [patent_app_number] => 15/670731 [patent_app_country] => US [patent_app_date] => 2017-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 20104 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15670731 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/670731
Firing mechanism for a perforating gun or other downhole tool Aug 6, 2017 Issued
Array ( [id] => 13903927 [patent_doc_number] => 20190041168 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-07 [patent_title] => Body Armor of Ceramic Ball Embedded Polymer [patent_app_type] => utility [patent_app_number] => 15/670384 [patent_app_country] => US [patent_app_date] => 2017-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3977 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15670384 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/670384
Body Armor of Ceramic Ball Embedded Polymer Aug 6, 2017 Abandoned
Array ( [id] => 12179274 [patent_doc_number] => 20180038209 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-08 [patent_title] => 'Firing Mechanism for a Perforating Gun or Other Downhole Tool' [patent_app_type] => utility [patent_app_number] => 15/670731 [patent_app_country] => US [patent_app_date] => 2017-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 20104 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15670731 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/670731
Firing mechanism for a perforating gun or other downhole tool Aug 6, 2017 Issued
Array ( [id] => 13903893 [patent_doc_number] => 20190041151 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-07 [patent_title] => FORWARD SET TRIGGER BAR FOR A FIREARM [patent_app_type] => utility [patent_app_number] => 15/667626 [patent_app_country] => US [patent_app_date] => 2017-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6630 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15667626 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/667626
Forward set trigger bar for a firearm Aug 2, 2017 Issued
Array ( [id] => 16736189 [patent_doc_number] => 10961827 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-30 [patent_title] => Tubing conveyed perforating system with safety feature [patent_app_type] => utility [patent_app_number] => 15/667223 [patent_app_country] => US [patent_app_date] => 2017-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 5382 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15667223 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/667223
Tubing conveyed perforating system with safety feature Aug 1, 2017 Issued
Array ( [id] => 15786915 [patent_doc_number] => 10627177 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-21 [patent_title] => Bolt action upper receiver for AR rifle [patent_app_type] => utility [patent_app_number] => 15/666230 [patent_app_country] => US [patent_app_date] => 2017-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 32 [patent_no_of_words] => 9934 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15666230 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/666230
Bolt action upper receiver for AR rifle Jul 31, 2017 Issued
Array ( [id] => 14899223 [patent_doc_number] => 20190293377 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => SILENCER DEVICE FOR FIREARM [patent_app_type] => utility [patent_app_number] => 16/318929 [patent_app_country] => US [patent_app_date] => 2017-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8844 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16318929 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/318929
Silencer device for firearm Jul 13, 2017 Issued
Array ( [id] => 13253041 [patent_doc_number] => 10139204 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-27 [patent_title] => Fuel/air concussion apparatus and method [patent_app_type] => utility [patent_app_number] => 15/624122 [patent_app_country] => US [patent_app_date] => 2017-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3363 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15624122 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/624122
Fuel/air concussion apparatus and method Jun 14, 2017 Issued
Array ( [id] => 14899267 [patent_doc_number] => 20190293399 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => A METHOD OF BLASTING AN OPEN CAST BLAST HOLE [patent_app_type] => utility [patent_app_number] => 16/304475 [patent_app_country] => US [patent_app_date] => 2017-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1291 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16304475 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/304475
A METHOD OF BLASTING AN OPEN CAST BLAST HOLE May 11, 2017 Abandoned
Array ( [id] => 14867275 [patent_doc_number] => 20190283879 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-19 [patent_title] => COUNTERMEASURE DISPENSER WITH VARIABLE SPOILER AND METHOD FOR LAUNCHING A COUNTERMEASURE [patent_app_type] => utility [patent_app_number] => 16/301604 [patent_app_country] => US [patent_app_date] => 2017-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3403 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16301604 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/301604
Countermeasure dispenser with variable spoiler and method for launching a countermeasure May 4, 2017 Issued
Array ( [id] => 14838417 [patent_doc_number] => 20190277609 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => BULLET WITH INCREASED EFFECTIVE RANGE [patent_app_type] => utility [patent_app_number] => 16/091041 [patent_app_country] => US [patent_app_date] => 2017-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3791 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16091041 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/091041
Bullet with increased effective range Apr 11, 2017 Issued
Array ( [id] => 13624929 [patent_doc_number] => 20180364016 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-20 [patent_title] => COMBINED FIREWORKS WITH LAUNCHING PITS AND MULTI-CHANNEL FIREPROOF STRUCTURES [patent_app_type] => utility [patent_app_number] => 15/526251 [patent_app_country] => US [patent_app_date] => 2017-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4983 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15526251 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/526251
Combined fireworks with launching pits and multi-channel fireproof structures Mar 28, 2017 Issued
Array ( [id] => 13184175 [patent_doc_number] => 10107599 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-23 [patent_title] => Entangling projectiles and systems for their use [patent_app_type] => utility [patent_app_number] => 15/467958 [patent_app_country] => US [patent_app_date] => 2017-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 6554 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15467958 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/467958
Entangling projectiles and systems for their use Mar 22, 2017 Issued
Array ( [id] => 13415473 [patent_doc_number] => 20180259279 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-13 [patent_title] => Semi-automatic rifle restrictor mechanism [patent_app_type] => utility [patent_app_number] => 15/530856 [patent_app_country] => US [patent_app_date] => 2017-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15530856 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/530856
Semi-automatic rifle restrictor mechanism Mar 9, 2017 Abandoned
Array ( [id] => 11964688 [patent_doc_number] => 20170268841 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-21 [patent_title] => 'FIREARM SAFETY SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/455344 [patent_app_country] => US [patent_app_date] => 2017-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2271 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15455344 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/455344
FIREARM SAFETY SYSTEM Mar 9, 2017 Abandoned
Array ( [id] => 11957129 [patent_doc_number] => 20170261280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-14 [patent_title] => 'ENHANCED METAL-METAL-MATRIX COMPOSITE WEAPON BARRELS AND WAYS OF MAKING THE SAME' [patent_app_type] => utility [patent_app_number] => 15/456374 [patent_app_country] => US [patent_app_date] => 2017-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 13478 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15456374 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/456374
ENHANCED METAL-METAL-MATRIX COMPOSITE WEAPON BARRELS AND WAYS OF MAKING THE SAME Mar 9, 2017 Abandoned
Array ( [id] => 13224621 [patent_doc_number] => 10126080 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-13 [patent_title] => Biometric firearms safety system [patent_app_type] => utility [patent_app_number] => 15/454795 [patent_app_country] => US [patent_app_date] => 2017-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1413 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15454795 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/454795
Biometric firearms safety system Mar 8, 2017 Issued
Array ( [id] => 11994560 [patent_doc_number] => 20170298715 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-19 [patent_title] => 'METHOD AND APPARATUS FOR ADAPTING STANDARD END CAP ASSEMBLIES OF A PERFORATING GUN TO FUNCTION AS TUBING CONVEYED PERFORATING END CAP ASSEMBLIES' [patent_app_type] => utility [patent_app_number] => 15/453152 [patent_app_country] => US [patent_app_date] => 2017-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 3041 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15453152 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/453152
METHOD AND APPARATUS FOR ADAPTING STANDARD END CAP ASSEMBLIES OF A PERFORATING GUN TO FUNCTION AS TUBING CONVEYED PERFORATING END CAP ASSEMBLIES Mar 7, 2017 Abandoned
Array ( [id] => 13067223 [patent_doc_number] => 10054387 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-08-21 [patent_title] => Autonomous automatic electromagnetic launch system with adjustable launch velocity, low recoil force, low acoustic report, and low visible and infra-red signature [patent_app_type] => utility [patent_app_number] => 15/453592 [patent_app_country] => US [patent_app_date] => 2017-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3414 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15453592 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/453592
Autonomous automatic electromagnetic launch system with adjustable launch velocity, low recoil force, low acoustic report, and low visible and infra-red signature Mar 7, 2017 Issued
Array ( [id] => 15195887 [patent_doc_number] => 10495430 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-03 [patent_title] => Long cartridge case [patent_app_type] => utility [patent_app_number] => 15/451717 [patent_app_country] => US [patent_app_date] => 2017-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 2322 [patent_no_of_claims] => 5 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15451717 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/451717
Long cartridge case Mar 6, 2017 Issued
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