Enter assignee name

% Expired Patents = 28.6

Forward Citations = 108

Loading Chart...

6 inventors (with patents filed for the assignee):

Joseph Purcell (4 out of 14 patents)

Peter J Sweeny (2 out of 2 patents)

Patrick Purcell (1 out of 1 patent)

4. Joseph Purcell (1 out of 1 patent)

5. John C Brown (1 out of 1 patent)

6. Patrick Purcell (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 7987930 - Drill bit assembly for fluid-operated percussion drill tools (2011-08-02),

2. 7975784 - Drill bit assembly for fluid-operated percussion drill tools (2011-07-12),

3. 7735584 - Percussion hammer for enlarging drilled holes (2010-06-15),

4. 6290424 - Segmented ring mounting for a fluid-operated percussion drill tool (2001-09-18),

5. 5685380 - Reverse circulation down-the-hole drill (1997-11-11),

6. 4819746 - Reverse circulation down-the-hole hammer drill and bit therefor (1989-04-11),

7. 4790390 - Valveless down-the-hole drill (1988-12-13),

Minroc Technical Promotions Limited is a leading provider of technical solutions in the mining and construction industries. With a strong focus on promoting innovative products and technologies, Minroc aims to help companies increase efficiency and productivity while reducing environmental impact. Their team of experts offers personalized consulting services and cutting-edge equipment to meet the unique needs of each client.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#1 in Clare

#250 in Ireland

Clare, Ireland

Minroc Technical Promotions Limited