The answer to this question depends on who you ask and what industry you're in. However, there are some common types of sales pipeline that are used across industries.

1. Lead Generation Pipeline

This type of sales pipeline is focused on generating new leads and potential customers. It typically includes activities such as market research, lead generation campaigns, and cold calling.

2. Prospecting Pipeline

This type of sales pipeline is focused on turning leads into prospects. Activities in this stage might include sending information about your product or service, following up with potential customers, and setting up appointments.

3. Closing Pipeline

This type of sales pipeline is focused on closing deals and making sales. Activities in this stage might include negotiating terms, preparing contracts, and providing customer support.

4. Customer Retention Pipeline

This type of sales pipeline is focused on keeping existing customers happy and engaged. Activities might include upselling, cross-selling, and providing customer service.

5. Recruitment Pipeline

This type of sales pipeline is focused on recruiting new employees. Activities might include job postings, screening resumes, and conducting interviews.

6. Fundraising Pipeline

This type of sales pipeline is focused on raising money from investors. Activities might include writing a business plan, pitching to investors, and closing deals.

7. Sales Process Pipeline

This type of sales pipeline covers the entire sales process from start to finish. Activities might include lead generation, prospecting, closing, and customer retention.