# US 11,897,418 B2 · System and method for deterrence of catalytic converter theft > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,897,418 B2 - Document ID: US11897418B2 - Status: Granted - Kind: B2 - Application number: 17/174,261 - Filed: 2021-02-11 - Published: 2021-08-19 - Granted: 2024-02-13 - Earliest claimed: 2020-02-11 - Assignees: Ccm IP LLC - Applicants: Richard Blake Tamagni - Inventors: Richard Blake Tamagni - Web page: https://patentgrep.com/patent/US11897418B2 ## CPC - B60R 25/00: Fittings or systems for preventing or indicating unauthorised use or theft of vehicles (locks for vehicles E05B77/00-E05B85/00) - F01N 3/20: specially adapted for catalytic conversion (F01N3/22 takes precedence) - F01N 13/18: Construction facilitating manufacture, assembly, or disassembly - F01N 2260/22: for preventing theft of exhaust parts or devices, e.g. anti-theft arrangements - Y02A 50/20: Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR - F01N: GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES (arrangements in connection with gas exhaust of propulsion units in vehicles B60K13/00; combustion-air intake silencers specially adapted for, or arranged on, internal-combustion engines F02M35/00; protecting against, or damping, noise in general G10K11/16) - Y02A: TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE ## Abstract A system and method for deterring catalytic converter theft are described. A variety of devices are described which can be installed as needed on the underside of a vehicle as part of a system to prevent easy access to the points where a catalytic converter is connected to the vehicle, thus deterring theft, or to prevent a catalytic converter from being removed from the vehicle after being disconnected from the exhaust system. The method comprises installing said devices to prevent this access. The devices may be installed separately or combined to protect multiple catalytic converters as needed and as dictated by the particular design of the exhaust system of a particular vehicle. ## Claims ### Claim 1 A system for deterring theft of a catalytic converter located in a vehicle, the system comprising: a box designed to fit around the catalytic converter, the box attaching to the vehicle; said box comprising openings for exhaust system components connecting to the catalytic converter; wherein said box also comprises an opening to allow a human to view the catalytic converter; and, wherein said box is securely fastened to the vehicle such that the box cannot easily be removed in a short amount of time; wherein the box comprises four separate components, wherein the components are: a top which is securely attached to the vehicle; a main box which comprises a bottom and two sides, which securely fastens to a top, comprising slots on ends for end caps to fit into; two end caps, which comprise plates having tabs that fit into the slots of the main box; the box being securely fastened tightly together, such that no one of the components is easily removable from the other components, and such that the box is not easily removable from the vehicle, and wherein the catalytic converter is not easily removable from the box. ### Claim 2 (depends on 1) The system of claim 1 wherein the vehicle includes a frame and wherein a bracket is attached securely to the vehicle frame and the box is fastened securely to the vehicle by means of the bracket secured to the vehicle frame. ### Claim 3 (depends on 1) The system of claim 1 wherein the box is comprised of stainless steel plates. ### Claim 4 (depends on 1) The system of claim 1 also comprising: a cover installed on an underside of the vehicle around a second catalytic converter, preventing easy access to at least part of the second catalytic converter and the exhaust system from the underside of the vehicle; wherein said cover also allows a human to view the second catalytic converter. ### Claim 5 (depends on 4) The system of claim 4 wherein the cover installed on the underside of the vehicle covers a void in a midsection of the vehicle around the second catalytic converter, preventing easy access to a front exhaust flange from the midsection of the vehicle in addition to preventing direct access to the catalytic converter. ### Claim 6 (depends on 5) The system of claim 5 also comprising a front plate covering a void in a front of the vehicle and covering a location where the second catalytic converter is attached to the front exhaust flange, increasing the difficulty of unbolting the second catalytic converter at the front exhaust flange; and, wherein the cover and the front plate together prevent easy access to the front exhaust flange where the second catalytic converter is bolted to the vehicle and prevent easy physical access to an area in front of the second catalytic converter so the second catalytic converter cannot be removed at the front exhaust flange. ### Claim 7 (depends on 6) The system of claim 6 wherein the vehicle is a Nissan NV-200 cargo van and wherein the front plate is designed to attach to factory bolts in the vehicle and prevent easy access to the front exhaust flange from the front of the vehicle; wherein the cover is designed to attach to a factory crossmember and folds up to prevent easy access to the front catalytic converter and prevent easy access to the front exhaust flange from the midsection of the vehicle; and, wherein the cover installed on the underside of the vehicle around the second catalytic converter is designed to surround the second catalytic converter and is installed to the underside of the vehicle with security fasteners and attached to a bracket which is attached to two frame rails of the vehicle. ### Claim 8 A method of deterring catalytic converter theft on a vehicle having a frame, the method still allowing visual access to the catalytic converter, said method comprising: attaching a first cover over the catalytic converter, wherein said first cover extends over the catalytic converter and a void which surrounds the catalytic converter by attaching to the vehicle frame; wherein the first cover contains an opening which, when installed, is located directly over the catalytic converter to allow the visual access to the catalytic converter for inspection; covering a front exhaust flange and a front void at a front of the vehicle with a second cover designed to impede access to the front exhaust flange from the front of the vehicle to impede the catalytic converter from being easily detached from the front exhaust flange. ### Claim 9 (depends on 8) The method of claim 8 wherein said first cover takes the form of a flat plate shaped to prevent physical access to the catalytic converter while fitting around other components on an underside of the vehicle and extending to points on the underside of the vehicle to which the plate can be fastened. ### Claim 10 (depends on 8) The method of claim 8 also comprising using security fasteners to attach the first cover and second cover to the vehicle. ### Claim 11 (depends on 8) The method of claim 8 wherein the second cover only partially blocks access to the catalytic converter while preventing easy access to the front exhaust flange where the catalytic converter is secured to the vehicle by preventing easy access to the front void which leads to said front exhaust flange. ### Claim 12 (depends on 8) The method of claim 8 wherein the first cover secured to the vehicle takes the form of a box. ### Claim 13 (depends on 12) The method of claim 12 wherein the box comprises four separate components, namely: a top which is securely attached to the vehicle; a main box which comprises a bottom and two sides, which securely fastens to the top, comprising slots on ends for end caps to fit into; two of the end caps, which comprise plates with tabs that fit into the slots of the main box; an entirety of the box being securely fastened tightly together such that no one of the components is easily removable from the other components, and such that the box is not easily removable from the vehicle, and wherein the catalytic converter is not easily removable from the box. ### Claim 14 (depends on 8) The method of claim 8 wherein the first cover and second cover are formed of stainless steel. ### Claim 15 (depends on 8) The method of claim 8 wherein the first cover and second cover are formed of aluminum. ### Claim 16 (depends on 8) The method of claim 8 also comprising: securing a box around a second catalytic converter wherein the box is securely fastened to the vehicle, deterring theft by preventing the second catalytic converter from being easily taken after the second catalytic converter is removed from the exhaust system. ### Claim 17 (depends on 8) The method of claim 8 wherein the first cover also comprises vents to aid in air circulation around the catalytic converter. ### Claim 18 (depends on 8) The method of claim 8 also comprising securing the first cover to the vehicle at least in part by attaching the cover to existing hardware on an underside of the vehicle. ### Claim 19 (depends on 8) The method of claim 8 also comprising securing the first cover to the vehicle at least in part by replacing existing hardware on an underside of the vehicle with security fasteners which secure the cover to the vehicle and are fastened to the vehicle at locations where the existing hardware was fastened to the vehicle. ### Claim 20 (depends on 8) The method of claim 8 also comprising securing one or more additional covers to an underside of the vehicle, wherein said one or more additional covers are placed to prevent easy access to one or more voids where the catalytic converter or an exhaust system of the vehicle may be detached from the vehicle in order to remove the catalytic converter.