This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: The Wanda Group, Other. Active years: 1988-2010.
Company Filing History:
1 out of 1 
2 out of 834,307 Years Active: 1988-2010
Title: Alan G Johnston: Innovator in Fire Protection and Carpet Laying Technologies
Introduction
Alan G Johnston is a notable inventor based in Nashua, NH (US). He has made significant contributions to the fields of fire protection and carpet installation through his innovative patents. With a total of 3 patents to his name, Johnston has demonstrated a commitment to enhancing safety and efficiency in everyday applications.
Latest Patents
One of Johnston's latest inventions is a fire protection sprinkler system and related apparatus. This nondestructive retrofit fire sprinkler protection system features a uniquely shaped sprinkler fitting that can be inserted behind a wall surface. This design allows for a secure connection of a sprinkler head emerging from a wall location to concealed sprinkler piping located in a room where the ceiling surface meets the wall surfaces. Additionally, a room coupler fitting is designed to connect sprinkler piping in adjacent rooms, enhancing the overall effectiveness of fire protection systems.
Another significant patent by Johnston is a method of laying carpet to avoid seam peaking, along with the apparatus necessary for its implementation. This method utilizes an enhanced width seaming tape that spans the abutting edges of the carpet forming the seam. The tape features a hot melt adhesive on its upper surface, which faces the carpet backing. An enhanced width carpet seaming iron is used to melt the adhesive, creating a strong bond between the tape and the carpet backing. Johnston's invention includes various embodiments of the seaming tape and iron, showcasing his innovative approach to solving common issues in carpet installation.
Career Highlights
Throughout his career, Alan G Johnston has worked with various companies, including The Wanda Group. His experience in these organizations has contributed to his development as an inventor and innovator in his field.
Collaborations
Johnston has collaborated with Wayne Robert Johnston, further enhancing his work and contributions to the industry.
Conclusion
Alan G Johnston's innovative patents in fire protection and carpet laying technologies reflect his dedication to improving safety and efficiency. His work continues to influence these fields, showcasing the importance of innovation in everyday applications.